Do-it-yourself heating of insoles from 12 volts. Heated insoles: varieties, an overview of store options, how to do it yourself. Why do hunters need
I never got around to telling how I got electric insoles for very sane money.
The idea came up last year. Autumn and early winter were relatively warm, the river was open until the New Year. In principle, wearing thermal underwear, warm hunting overalls and Keane's pack boots with an estimated temperature of up to -40, it was possible to safely go out into the water and catch pike. But one nuance spoiled all the pleasure of fishing. Boots, although they were designed for frost down to -40, but they are designed for walking in such a frost. And you don’t really look like an inflatable boat. Therefore, even woolen socks did not save, once an hour I had to land on the shore and gallop along the snow-covered beach, like an artiodactyl saiga, in order to resume blood circulation in the lower extremities. It is clear that "fishing in December" and "comfort" are hardly compatible concepts, but still I wanted to bring them together somehow. And I saw a friend's battery insoles for terrible thousands of money, and I wanted the same ones.
In the video above, it's me, with my feet completely frozen, trying to find a place where I can go ashore and jump. The sun is shining, beauty, but the date is December 24 and a slight frost around -3.
So, based on my clear conviction that any household device that a person may need is already made by the Chinese and sold on Aliexpress, I went to look for insoles of size 45. And I came across the fact that the sizes of Chinese electric insoles do not exceed the 43rd stated, but in reality they have a maximum size of 42. If you have such a foot size, you can stop reading further, buy it and don’t bother.
If you have a size 44 or more, you will have to work with your hands. There are options: either buy insoles, as in the link above, open them and remove the thermocouples, or order thermocouples with a wire separately () and stick them to the insoles of your size. Important, when buying a thermocouple, pay attention to the wires. It is better to take those in which both thermoelements are powered by one wire, then you will not have to buy two power supplies.
Now let's move on, in fact, to the manufacture of our electric insole
For the base, we take the usual thin cloth insole. It is desirable that it matches in size with the original insole from your shoes. I took size 46 "bamboo fiber" insoles from a nearby deli and cut them.
Why not the insoles that already live in your shoes? In my boots there is a multilayer insole 6 mm thick, its lower part is made of heat-reflecting foil. If a thermoelement is glued to the foil, then the sole of the boot will heat up, and not the leg. And if you glue the thermocouple to the top of the insole, then the sock will slide on it. In addition, if the element fails (most often, they caught on the wire while walking and tore off the contact), then tearing it off to solder the contact back is a pity from a good insole. Therefore, we buy or cut an insole from a suitable material.
To it with any, in principle, glue, we glue the thermoelement. I used polyurethane glue from the spare parts of the boat (it still needs to be updated periodically). We glue the thermoelement closer to the toe and the outer side of the shoe, i.e. to the part of the leg that freezes the most. We bring the wire to the inside of the shoe, approximately in the middle of the length.
If you do not have thermal reflective foil on the original insoles in your shoes, I recommend gluing such foil to the bottom of the insole. It will be an additional protection for the thermoelement and will not allow heat to go into the ground.
Everything! We are waiting for the glue to dry. When the glue has dried, lay the insoles on top of those that are already there. The contact wire must be brought out from the inside of the shoe and secured between the laces. It looks ugly, but it works amazingly. For a year I had the good fortune to be convinced: when the legs are warm, it is very difficult to freeze. This is how it looks for me:
The cost of my electric insoles is $4, including adhesive and base. The pleasure of winter fishing in warmth and comfort cannot be valued with money!
How to connect and how to power electric insoles
Connecting the insoles is very easy. The connectors are already brought out and secured between the laces. Now we dissolve the wire that comes with the kit (we dissolve it to the length of the legs, no more - it will be confused). One wire to the right leg, the second to the left. Power supply in the inside pocket. Lithium power supplies lose capacity in the cold, it is better to keep them warm.
We put on pants, put on shoes, connect the connectors to the insoles, plug in the USB power connector and enjoy the comfort.
I used to serve as a power source. It was enough for about 6-7 hours of continuous use. One insole thermocouple consumes about 500 mA at a voltage of 5 volts. Obviously, a pair is 1 Amp. The rating on the power bank is always indicated based on the voltage of the batteries built into it, which is 3.7 Volts. Accordingly, in terms of 5 Volts, the capacity of the power bank, in which there are 10 Amperes of 3.7-volt elements, will be 7.4A, not counting the losses of the converter. That is, ideally, the insoles should work for 7.4 hours. In reality - less than 5 percent.
Simplified, we can say that with a 10000mAh power bank, you can count on 6 hours of continuous work with a margin. Daylight hours in December from 7 hours exactly to 7 hours 25 minutes, i.e. a power bank with a capacity of 16000 mAh is enough. And if you want to fish in comfort from October to March (that is, before the start of the spawning ban), then take it. I recommend Pineng banks, at a relatively low price (compared to Xiaomi, for example), they also have an honest capacity and high-quality electronics inside. This is evidenced by
Prepare the sleigh in the summer - says the Slavic proverb. If sleds are not needed, then warm shoes are what are in demand in winter: both by outdoor workers, and by athletes in winter sports, and simply by pedestrians standing at frosty stops.
But shoes are not always warm. Additional insoles will not help, and when you put on several socks. What is the way out: endure the frost again or come up with something, or try something invented by someone?
Insoles-ships
Global firms also offer a way out, but at overpriced, from the point of view of Russians, prices for their products for warming up feet in winter shoes. To roughly understand what they are, just go to sites that sell heated insoles and look at their photos.
Insoles filled with electric heating elements for long-term use or one-time use are inserted into boots or boots. They were originally, most likely, developed using space technology, and then went to ordinary consumers in countries with a cold winter climate, including Russia. So it was with the now famous Velcro, which today is not used anywhere in everyday life.
The craftsmen, who will tell you what heated insoles are, did not stay aside, as always. They themselves have contributed to the electric heating of the legs. Let's talk more about this, it is possible that many use the recommendations for the independent manufacture of shoe heat convectors.
What to make a "stove" for the feet?
An insole or orthosis is inserted into the shoe for a number of functions. And more for medicinal purposes - from pain in the foot and joints with arthrosis and injuries, correction. About the function of heat preservation - not a word.
Only in the comments there are messages about how to make just warm insoles yourself - from a felt mat, foil penofol and building isolon. We will offer ideas on how to make heated insoles. Anyone can tackle this challenge.
Below is a step-by-step instruction on how to make insoles with your own hands. We will show on the example of insoles with autonomous heating from a mini-battery (accumulator) with adjustable temperature.
A number of factors must be taken into account. First: choose insoles with a base that does not conduct heat well - so that they do not “go away” into the sole, but warm the legs. According to their characteristics, insoles made of felt 0.5 cm thick are suitable.
The second factor: experiments have shown that the most freezing zone of the feet in the cold is the toes. So they need to be heated, and the blood heated in them will insulate the rest.
And this will save on energy costs, because the electric current is generated not by a powerful car battery, but by the one that powers smartphones and tablets. That is, the battery should fit in the pocket of a person whose feet are heated by insoles. The best insoles with heating on charging.
The heating element of a homemade device is a wire with a predominance of two types of metal - nickel and chromium. It is wound with a spiral for more power, it serves as a heating element for home electric stoves. For insoles, ten times shorter (48 cm) wire is enough and much thinner (0.3 mm). It can be taken from any non-working 300 watt heater. Sometimes you can buy at an electrical store for 20 rubles.
Buy a voltage regulator from four volts and above in a Chinese store. If you don’t want to bother with homemade products, buy factory-made electric insoles with charging in the same market.
But the master himself assembled the convector on the insoles
I laid a heating thread across the insole so that when walking with bends of the sole, the wires would not move. The entire length of nichrome is sewn to the base.
There is room for a second layer of heating element. It will be mounted on a leather base, and it transfers heat well to the feet. At the same time, little energy is lost, and the skin does not warp from the heating of the elements. The leather insole is sewn to the bottom - the seams will pass between the nichrome threads.
Two nichrome contacts are removed from the insole, two stranded copper wires up to one and a half meters long each (plus and minus the battery) are soldered to them.
Note! 
"Power station" for insoles
The main element is a nickel-metal hydride battery at 7.2 volts, with a current of 5000 milliamps per hour. Without recharging from the mains, the battery will warm your feet from 5 to 11 hours of continuous operation. The heating of shoes depends on the named parameters - voltage and current.
Better than a 12 volt battery. The maximum warm-up is 60 degrees, but the adjustment keeps any comfortable, and not with overheating. It is worse than frost - blood pressure will rise in people over 50.
Factory heaters
ThermaCell offers insoles weighing 0.5 kg each for almost 16 thousand rubles. A strange price, because through the online store they will deliver the same devices much cheaper. It is not clear why the price is going up. Insoles - under the 46th size - heat up only up to five hours. Then recharge the battery.
The WarmSpa kit has a budget price at all - through Yandex Market - 3750, on Aliexpress - 1450 rubles. But with two batteries, for 3-6 hours of work. There is a color heating indicator, convenient to adjust the temperature. The downside is a thick insole - up to half a centimeter.
There are Russian-made insoles with replaceable batteries in the sale - they cost about 1200 rubles. Warms up fingers well. Batteries can be changed without removing the insoles. Severe frost reduces the voltage and current of the batteries.
Note! 
Blazewear insoles are heated by a pair of AA lithium batteries. The compartment with them is attached to the leg with Velcro.
Heated insoles from "Heat Generator". Chemical heating - up to six hours. The elements are bioecological. The insoles are light and comfortable to wear. The cost is simply ridiculous - less than 300 rubles.
Photo of heated insoles
Note! 
Many of us are familiar with the situation with wet or freezing shoes from the inside. This phenomenon can lead to colds and joint pain. Ordinary insulated insoles on synthetic fur or synthetic winterizer have an accumulation effect. When they are wet, they are not so easy to dry out, and this takes time. And what if you equip them with heating? Then you almost don’t have to dry them, and your feet will always be warm.
Today we offer an impromptu version of such miracle insoles with electric heating. Their design will help keep your feet warm for quite a long time. They dry literally in a matter of minutes, and maintaining a stable temperature will prevent ordinary insoles from getting wet from small cracks in shoes.
The principle of operation of heating insoles
In his invention, the author decided to make do with a heating element based on lacquered copper wire used for windings of transformers and various inductors. Having empirically calculated its length relative to the supplied voltage of the batteries, a heating platform was made under the main cover of ordinary insoles. The insulating layer between the layers of the insole is made of hot glue. Button-switch with batteries are attached in the area of the laces on the tongue of the shoe.
Necessary elements and tools for homemade
Materials:- Copper wire;
- Insole template;
- Thin cardboard, paper;
- Batteries - 2 pcs;
- Connector - socket for connecting power;
- Wire cutter and stripper;
- Button-switch;
- Universal diode;
- Wires, small shrink sleeves, electrical tape.
- soldering iron;
- Hot glue gun;
- Scissors;
- Wire cutters.
The process of making insoles
Cut out the insoles
The device is a multilayer insole, the lower part of which is a heating platform. For her, we need a thin thick cardboard. It has to withstand walking, so it's better to choose something more resistant to abrasion.
We take the template of our insole, and mark the platform on it. It should be about a size smaller than regular insoles. We process the edges of this platform-insole with a hole punch around the entire perimeter. This will additionally secure the heating element and prevent it from slipping while walking.
We wind the heater winding
The intensity of the wire winding regulates the amount of heating of a particular zone of the insole heater, and it can be calculated individually. The author has marked the insole so that the maximum heating falls on the toe, the average one on the heel area, and the lowest one in the middle of the foot. In accordance with the selected scheme, we wind the turns of the heater winding by measuring the length of the wire 10 m.
We mark the protective layers of the heater on plain paper according to the template and cut them out. On both sides, glue the heating platform with paper insoles on hot glue.
Do not forget to bring the ends of both winding contacts out. We connect them with insulated wires, solder the connection and seal it with heat shrink tubing.
We supplement the circuit with batteries with a power socket and a button
We connect the batteries by connecting them in parallel with soldered contacts. We glue the battery cases on electrical tape.
We solder the switch button with a diode and a power socket according to the diagram (photo 2). We place them on the battery case, and hide them with several layers of electrical tape.
We insert the heating platform inside the shoes, and cover with ordinary insoles. The author suggests hiding the battery case between the laces and the tongue of the sneakers.
This is due to the weak base and the fragility of the heater
These materials can be replaced with artificial leather, felt, lavsan, etc. And instead of copper wire, use nichrome or carbon fiber for underfloor heating. Isolation of the heating element also does not interfere, and the batteries, the ability to adjust and turn off the heating can be brought closer to the hands. In general, there is something to work on.Such homemade products are of value to those who like to make their own hands. They can be redone, modified and changed at your discretion, based on the principle of the device. Otherwise, every home master has a free road to creativity and his own discoveries.
Freezing feet in winter is a very pressing problem for the cold regions of our country. In addition to being unpleasant, cold feet can have a significant impact on human health, especially for people who are active in winter sports, like hiking and traveling to cold corners of the world. Everyone deals with the problem in their own way. Some put on several layers of socks, some choose warmer shoes, and some do not go out at all in winter. But there is a more elegant and simpler way - heated insoles. Let's see what they are, how to use them and how to choose.
Read in the article
Why do we need heated insoles, who can use them
They are mainly used by people for whom a long stay in the cold is relevant. These are winter sportsmen, tourists, fishermen and hunters. But such insoles can be used every day - in winter trips to work or study.
Heated insoles for ski boots
The success of an athlete largely depends on how convenient and comfortable he feels in his equipment. Excess clothing hinders movement and increases weight, and this is bad for overall mobility. Therefore, heated insoles are an excellent solution for ski boots. They do not require the use of several layers of socks, perfectly warm the legs and, accordingly, improve blood circulation in the lower extremities.
For fishing
Everyone who has ever sat with a fishing rod near the river bank knows that the key to good fishing is patience. In order to get out of the pond, you need to sit in one position for a long time - both in wet autumn and cold winter.
Naturally, the legs, being without movement, freeze faster. Heating insoles for the feet are just the perfect solution for any fisherman. Especially - for those who love the winter kind of fishing.
For hunting
By analogy with fishermen, hunters also have to sit still for a long time. And the weather can be completely different. But most often the process occurs at night in the autumn or winter. Battery-powered heated insoles help keep you warm on long walks in the snow or in an ambush on an autumn morning.
The main types of heated insoles
There are two types of insoles on the market today. Some use a classic battery for heating, others are based on a chemical reaction.
On battery
The principle of operation of such insoles is simple. They use a simple heating element from an external power source. In our case - from the battery. The battery is charged from . It usually takes 3 hours to fully charge the battery. And the insole can work from 6 to 12 hours.
The insole itself is made of a material that retains heat, does not allow moisture to pass through and is plastic enough to adapt to the human foot. Various models of heated insoles can be equipped with a remote control or be powered not by a battery, but by replaceable batteries. Thus, it turns out that these are reusable warming insoles for the feet.
Chemical
The work of chemical insoles is based on the reactions taking place inside them. To activate, you need to open the package so that the insoles are exposed to the open air. In saline-based chemical heating pads, you need to break the rod. Such insoles can warm up to 6 hours.
The average heating temperature can be from 36 to 40°C. Due to the fact that chemical components are used for heating, these insoles are a one-time solution. After the expiration of the chemical reaction, they stop heating. On average, heated chemical insoles can be bought for 50 rubles.
All the advantages and disadvantages of heated insoles
Of course, considering the disadvantages and advantages of insoles in isolation from specific models is very subjective. But still they have common features and characteristics. The main advantage of all heated insoles is the autonomous heat in the shoes. Electronic ones allow you to use heating for a long time, after discharging they can be recharged or batteries changed. However, the shape and structure impose a limitation on the size of the shoe. Due to the fact that a heating element, a battery and a control unit must be placed inside the insole, their physical dimensions are much larger than usual. In addition, the battery tends to discharge at low negative temperatures. Chemical insoles are completely autonomous and do not depend on energy. However, chemical elements are not eternal and can only be used a limited number of times. Usually this is a one-time warm-up for 6 hours. In this type of insoles, it is difficult to control heating: depending on external factors, the insoles may not warm up to a comfortable temperature or, conversely, heat up sharply to a burning state. But chemical models are more convenient and comfortable, since they do not contain large blocks. In addition, you can buy disposable heated insoles much cheaper than reusable counterparts.
The principle of the device and operation of insoles with electric heating
A few basic components are usually hidden inside the insole: a battery for power, a control unit and a heating element. Complex devices with a remote control may additionally contain an antenna. All this is placed in a rather thin insole. The heating element, receiving a charge from the battery, heats up and transfers heat to the leg. That's the whole principle of the insole. Craftsmen have already tried to repeat the technology, and many posted ways to make heated insoles on the Web. However, the process is very labor-intensive, it requires at least basic knowledge and the availability of components for assembly, which sometimes in China are cheaper in ready-made form than individually with us. Therefore, it is better to leave the creation of battery-powered heated insoles with our own hands to electronics enthusiasts and techies. Chemical options can work either in a one-time mode, or you need to heat them in water to recharge.
How to choose the right insoles and what to look for
Heated insoles need to be chosen based on how they will be used. For example, for rare walks or outings in cold climates, you can use inexpensive disposable models. The legs are warmed up, the action is over - and you can throw them away and put new ones in your shoes.
Chemical reusable insoles are suitable for short, but regular walks. For example, every day for one or two hours. After that, they can be warmed up in hot water, and they will again be ready for the next walk. This option will cost a little more than disposable, but cheaper than reusable.
Thermal insoles for shoes with electric heating are most often more expensive. But at the same time they are more convenient, have great potential and functionality. They should be chosen in the case when you need to spend a long time in the cold regularly. The average working time of the insoles usually varies from 6 to 12 hours. After they are completely discharged, they can be charged again or the batteries can be replaced, depending on the model. Thus, this is the most convenient option for regular use, but at the same time - and more expensive.
The main firms and brands of electric insoles for shoes with batteries
There are many companies that produce this type of product. From Chinese, heated insoles from which you can order from AliExpress, to more serious developers producing reliable and high-quality devices.
ThermaCell heated insoles
One of the most famous manufacturers of insoles with electric heating. The most famous are two types of insoles - with a built-in battery and with a replaceable one. Both types have a control panel with which you can set the mode or turn off the insoles altogether. A simpler version with a non-removable battery can be bought for 7,000 rubles, and a variant with replaceable batteries will cost about 15,000 - 17,000 rubles. Separately, you can also purchase a charger for a car for 1500 rubles.
Blazewear
Blazewear has two main types of insoles. Some are powered by 3 AA batteries, which last about 5 hours. Blocks with batteries are placed with Velcro on the leg, which is not always convenient. This option costs 2000 rubles.
The second model involves the use of 3000 mAh lithium polymer batteries. They should be enough for 4-7 hours of continuous work. There are also battery packs included. Thus, by alternating charged accumulators and batteries, you can extend the operating time up to 11 hours. The inconvenience lies in attaching the blocks to the leg. Blazewear battery-powered heated insoles can be purchased for 5,000 rubles.
Diclime
DiClime sells one type of warm heated insoles for shoes, which can be bought for 1500 rubles. The device is powered by lithium-polymer batteries. The maximum stated operating time is 8 hours. The battery is built in and cannot be removed. The shape of the insole is made in such a way that it can be cut and adjusted to fit any shoe. The model has , on the basis of which the element is heated.
RedLaika
The brand specializes not only in insoles, but in heated clothing in general. They have jackets, socks, pants, underpants, and more. But we are interested in insoles. In fact, the brand has only one model. Just starting equipment may be different. The simplest version of self-heating reusable insoles with blocks for AA batteries will cost 1000 rubles. Three batteries can power the insole in heating mode for up to 4 hours. The disadvantage may be the mechanism for attaching the battery pack to the leg.
The version with batteries included will cost much more - for 6000 rubles. The battery capacity is 2600 mAh, according to the developers, they should be enough for 5-21 hours of operation.
"Siberian"
Domestic insoles from the Novosibirsk company "Special Thermal Systems". The base price is 1500 rubles. The insoles are simple, with a USB cable brought out. Any compatible battery can be used. You can buy immediately ready-made kits for 4000 and 4300 rubles. Both include a ready-made kit with a battery. However, the second also has a special case for wearing on the belt.
Heated insoles - reviews from real users
As for the reviews about the insoles, everything is not so clear. They are divided approximately 50/50.
So, about ThermaCell insoles, some people write that this is a scam.
Review of ThermaCell
Read more on Otzovik: https://otzovik.com/review_319467.html
And someone, on the contrary, praises.
Review of ThermaCell
Read more on Otzovik: https://otzovik.com/review_4493951.html
insoles from ThermaCell
Blazewear does a little better, with 70% of users recommending them.
Review of Blazewear
Review of Blazewear
Read more on Otzovik: http://otzovik.com/review_187770.html
Blazewear insoles
As for DiClime, opinions are again divided almost equally.
Review of DiClime
Read more on Otzovik: https://otzovik.com/review_316866.html
Review of DiClime
Read more on Otzovik: https://otzovik.com/review_371730.html
DiClime insoles
There are not many reviews about RedLaika. But what is, is.
Review of RedLaika
Read more on iRecommend: https://irecommend.ru/content/slomalis-dvazhdy
insoles from RedLaika
In addition to the models and brands presented in the article, there are several less well-known and popular ones. For example, insoles from NordClime.
Review of NordClime
Read more on Otzovik: https://otzovik.com/review_706761.html
Review of NordClime
The feet are very sensitive to low temperatures. Even the warmest and highest quality shoes are sometimes unable to completely protect the feet from the cold. The result of hypothermia of the legs are diseases, and most importantly - a decrease in immunity. Therefore, it is very important to keep your feet warm. In winter, heated insoles will do just fine. You can buy them in stores or make your own.
Heated insoles device
The device of heating insoles is quite simple. There are two types: chemical and with heating element. Each principle of work has positive and negative sides.
Chemicals are often disposable. Sold in sealed bags. After printing, shake them to start a chemical reaction. Then they are put into shoes or glued onto socks (if the manufacturer has provided a self-adhesive side). Heating occurs due to the oxidation of iron. To prevent burns, sodium chloride and salt are added, which slow down the oxidation process. Sawdust can also be added to the mixture to absorb moisture and odor.
Chemical heaters work up to 6 hours. The main condition is air circulation so that oxygen enters for the oxidation process. If the shoes are tight, the feet will not feel warm.
Insoles with a heating element differ in that the heat comes from a metal wire or plate. Connected to the battery, but if desired, you can put regular batteries. Heated insoles are:
- wired;
- wireless.
Wired connected to an external battery. Some models have a power regulator. Thickness is standard. The operating time of the wired heater reaches 12 hours.
In cordless, the battery is built directly into the heel. Working time from 3 to 6 hours. There are models on the remote control that allow you to turn off, for example, when entering a building. Insoles without a remote control will have to be removed.
Manufacturing instructions
The insole with a heating element has a very simple device. Therefore, you can make them yourself. To make your own heated insoles, you will need the following materials:
First you need to connect the nichrome thread to the MGTF wire. You can use hot glue for this. Then you should decide where the nichrome wire will be laid. It all depends on which part of the leg is colder. Or you can attach nichrome over the entire surface.
Next, you need to lay the wire in a spiral at a distance of 1 cm. To attach nichrome, you just need to sew it with a thick thread. Make stitches at a distance of no more than 3 cm. Solder the selected plug to the second end and insulate with heat shrink. This will allow you to quickly connect and disconnect from the power source.
Two AA batteries will suffice for the power supply. The case can be taken from an old radio, flashlight or, for example, Tetris. It is necessary to solder the socket for connecting the nichrome wire and fix it with hot melt adhesive. Make two cuts in the body. For fastening to the leg, take a strip of fabric with Velcro sewn on and thread it through. Insert batteries.
Such electric heating of the legs can be done in 1 hour, if all materials are available. The wire heats up to about 35 degrees. If this is not enough, then you can add a third battery to the circuit.
Overview of models from the store
Of course, you can make heating insoles on your own very quickly and for little money, but they can fail at the wrong time. Yes, and they look much worse than purchased ones.
Manufacturer ThermaCELL
ThermaCell heated insoles are designed for winter and any cool weather. Waterproof and have remote control, which avoids discomfort when operating with gloves. The battery is designed for 5 hours of operation and 500 charge and discharge cycles. Fully charged in 3 hours.
They have 3 modes of operation:
- Off (no heating).
- Medium heating (about 39 degrees).
- Strong heating (about 44 degrees).
Country of manufacture - USA.
Firm Blazewear
Simple and comfortable insoles. Easily cut to your desired shoe size. The carbon plate perfectly emits infrared light, so that the heating reaches up to 46 degrees. The plate is in the front in the fingers. You can use both regular batteries and rechargeable AA batteries. The battery charge lasts for 3-5 hours. They have two control units, on which the insoles are turned on and off. Insole thickness 5 mm.
This simple invention will always come in handy on ice fishing, camping or in cold weather.
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