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Top 10 Best Ski Boots Warmers To Fight The Cold

Is there anything that can ruin skiing? I love to ski.
The rush of zipping down the hill, the beauty of the mountain, the fun with family and friends. But there is one thing that can really suck all of the joy out of skiing. What is it? Cold feet, of course!

Cold feet used to end my day on the slopes. Now, I can ski all day with toasty toes. The solution? Ski boots warmers! This tool might be the most important skiing purchase I’ve made in years.

Unfortunately, I tried a few bad boot warmers before I found ones that work. I’ve come up with this list of the best ski boots warmers available right now.

Remote for a ski boot warmer

Check it out so you don’t have to be stuck with products that just can’t get the job done like I was at first. All of these warmers can keep you on the slopes having a blast for longer. Your feet will thank you.

Top 10 Ski Boots Warmer

PRODUCT TITLE DETAILS

Hotronic FootWarmer S4 Universal

  • Long lasting battery
  • Easy to install
  • Efficient warming system
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DryGuy Travel Dry DX

  • Portable drying and heating solution
  • Operates quietly
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Hotronic XLP ONE Heat Sock

  • Heat from calves to toes
  • Machine-washable in provided mesh bag
  • Several heat levels
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Lenz Lithium + Sock Heating Pack

  • Comfortable, flexible, and warm
  • Remote control via smartphone app
  • Fast battery charge
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Therm-ic Basic PowerPack + Soles

  • Works with standard AA batteries
  • Easy to setup and use
  • 3 Warming levels
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ThermaCELL ProFLEX

  • Remote control included
  • Extra set of batteries
  • Travel bag
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ThermaCELL Heated Insoles

  • Comfortable with ski boots or other shoes
  • Remote control
View on Amazon

Hot Hands Foot Warmer

  • Surprisingly long-lasting
  • Great value
  • Single-use product
View on Amazon

Table of Contents

  • 1 Hotronic FootWarmer S4 Universal – A Warm & Dry Insole
  • 2 DryGuy Travel Dry DX – For When You Need Warm Dry Boots in the Morning
  • 3 Therm-ic Smartpack RC + Soles – The Convenience of a Remote Control
  • 4 Hotronic XLP ONE Heat Sock – Warms More Than Just Feet
  • 5 Lenz Lithium + Sock Heating Pack – There’s an App For That
  • 6 Therm-ic Basic PowerPack + Soles – A More Affordable Solution But Basic
  • 7 ThermaCELL ProFLEX – A Remote But With Quality Control Concerns
  • 8 ThermaCELL Heated Insoles – Simple But Effective
  • 9 Hot Hands Foot Warmer – Low Cost But One-Time Use
  • 10 Dry&Warm Footwear Pre-heater – Start Warm
  • 11 Buyer’s Guide & FAQ
  • 12 Closing Thoughts

Hotronic FootWarmer S4 Universal – A Warm & Dry Insole

Hotronic is a company that focuses on keeping people warm and dry. This FootWarmer kit has everything you need for keeping your ski boots toasty and comfortable for a great day on the slopes.

The kit comes with cut-to-size insoles, two battery packs, and self-adhesive covers and strips. You just trace your insole and then trim them to size. It’s nice to get a custom fit without having to pay to have something custom-made.

The instructions for installing these are pretty awful, but a youtube video can walk you through the actually quite easy installation process.

Hootronic ski boot warmer
One nice feature of these warmers are the settings. There are three base settings of heat level as well as an extra timed setting that can give you an extra blast of heat periodically.

These settings are great because on really cold days you’re looking for more heat whereas on warmer days you don’t want your feet to get too hot. These warmers let you adjust day by day or even hour by hour. The temperature range is 74-184°F.

The batteries on these warmers are quite good. They are high capacity NiMH AA cells perfectly suited for cold temperature operation. How long the batteries will last on a full charge depends on the ambient temperature and the setting used. They should be able to easily last through a day of skiing.

The batteries could last as long as 20 hours or they may only make it 4.5 hours. On average, they will probably last 6-8 hours on a single charge. The charger is easy to use and it only takes a few hours for the battery to recharge.

While you can technically move these from boot to boot or even from your ski boots into another shoe, it’s a bit of a hassle and not quite as convenient as Hotronic advertises.

Pros
  • 2-year warranty
  • long-lasting battery
  • choice of settings
  • easy to install
Cons
  • instructions can be confusing
  • battery pack is white (not good to lose in snow!)
  • awkward to control without a remote
Verdict: The instructions are poor but the Hotronic FootWarmer S4 Universal boot warmers are easy to install and you get a custom fit. They work well and your feet will stay warm and comfortable thanks to the choice of four heat settings.

DryGuy Travel Dry DX – For When You Need Warm Dry Boots in the Morning

If you’ve ever gotten up early and put on soggy shoes or boots, you will appreciate the user-friendly and effective design of these portable footwear drying devices.

Not only can they be plugged into a regular outlet, but they also work with vehicle lighter outlets. This means that even if you’re traveling, you can get your boots, shoes, or boot liners dry and toasty-warm.

They utilized convection and forced air to safely and efficiently dry all types of footwear. You just plug them in, insert them in your shoes, and within a few hours, your footwear will be totally dry.

Additionally, putting on warm dry boots can be a great way to start out your day. These warmers are also pretty energy efficient so you will have a hard time running the battery dead on a generator or car battery while using them.

The hybrid combination of forced air and convection heats up to 99-degrees to safely and quickly dry footwear.

They’re safe to the touch and won’t damage your shoes, boot liners, work boots, or any other footwear. That being said, these aren’t the kind of boot dryers that will have your boot liners dry in 15 minutes.

They take a few hours to work effectively.

Still, if you need a versatile and portable footwear drying solution, they fit the bill very well.

Pros
  • Quiet operation – DryGuy Travel Dry DX forced air dryers also operate very quietly.
  • Versatile and portable – They’re a great option for people on vacation, traveling in their vehicle, outdoor wilderness photographers, blue-collar workers, or pretty much anyone else.
  • Safe – An ideal solution for safely preventing the growth of fungus, bacteria, and more.
Cons
  • Slow drying – They take a few hours to completely dry out boots.
Verdict: If you need an effective and safe portable boot drying solution, the DryGuy Travel Dry DX system may be right for you. This system lets you dry out all kinds of footwear from home or on-the-go. These shoe dryers operate very quietly and will have your boots dry and warm in a few short hours. On the downside, these boot dryers aren’t the fastest ones out there. Still, for the price, safe operation, versatility, and overall design, these are a good value and would work well for all kinds of travelers, workers, or adventurers.

Therm-ic Smartpack RC + Soles – The Convenience of a Remote Control

The combination of a simple heated insole and a powerful battery with remote control makes for some warm and happy ski feet. The insole features an anatomic 3D shape instead of just a flat structure.

This gives better support inside your boot. The EVA foam construction gives you a cushioned support and great stabilization.

To power the insole, you need a great battery. The Therm-ic Smartpack RC 1200 can keep your toes nice and toasty for up to 22 hours. The lithium-ion batteries are extremely lightweight, a nice feature since you don’t want to be weighed down on the slopes.

How long these batteries will last depends on both the ambient temperature and the heat setting you are using. At the highest heat level of 158°F, you may only get 3-4 hours of power but if you only need a low level of warmth, the batteries will last nearly 24 hours.

What makes this stand out is the remote control. When skiing, it’s a frustrating hassle to have to reach a button down in your boots. With these, a small and simple remote control lets you control the temperature of the insole with the push of a button. It’s easy to zip the remote away in a pocket on your ski jacket until you need it

This Therm-ic system gives you three levels of heat to choose from: 99°F, 113°F, 158°F. It also features the unique Impulse Control system. It’s kind of a strange name for it but it helps to stimulate your own blood circulation. This boosts your warmth without having to rely on the highest heat level at all times.

Pros
  • convenient remote control
  • 3 heat settings
  • long-lasting battery
  • Impulse Control system to stimulate blood circulation
Cons
  • expensive
  • some inconsistency with people receiving the remote control
  • have to buy the products separately
  • 3D insole might not be ideal for all foot shapes
Verdict: The Therm-ic Smartpack RC + Soles is a bit expensive but the combination offers powerful performance. The convenience of the remote control is a major selling point for these and the unique Impulse Control system also stands out.

Hotronic XLP ONE Heat Sock – Warms More Than Just Feet

When I say that my feet get cold when I’m skiing, I usually mean more than just the bottoms of my feet.

Most warmers only deal with the bottom of the feet but the Hotronic XLP ONE Heat Sock recognizes that the entire foot and lower leg could use some warmth.

Worn just like a regular sock, it’s got the comfort of one too. It’s made from a blend of 70% nylon, 20% spandex, and 10% merino wool, giving you comfort, warmth, and stretch. The gradual pressure distribution design maximizes both comfort and warmth.

Hotronic Heated ski sock heat chart
These would be nice socks even if there were no heating element but with the heat added in, they are great socks.

Powered by a lithium ion battery, heat is supplied along the lower leg and then wraps around to also heat up the toes and the ball of the foot. The battery pack is securely held in place in the ergonomically-positioned spot in the sock’s double cuff.

Like with the Hotronic FootWarmer S4 Universal, you get four heat levels. There are three base levels plus a boost level that gives you an extra boost of heat on a timer.

The XLP ONE battery pack will last for years. It’s a reliable battery that maintains up to 90% of a full charge and 90% of its initial capacity after two years of nonuse. The battery will provide continuous heating power rather than the uneven heating output you’ll get with some other models.

Pros
  • long-lasting battery
  • heat from calves to toes
  • several heat settings to choose from
  • machine-washable in provided mesh bag
Cons
  • no remote
  • might be too hot for warmer weather
  • a bit expensive
Verdict: The Hotronic XLP ONE Heat Sock is comfortable and reliable. You have your choice of heat levels and you can count on warmth from your lower legs through your feet. It’s an ideal solution if keeping the bottom of your feet warm isn’t good enough.

Lenz Lithium + Sock Heating Pack – There’s an App For That

These heating socks are quite similar to the Hotronic XLP ONE Heat Sock but there are a few important differences. The socks are similarly soft and comfortable, made from a polyester blend with merino and a few other synthetic fabrics.

They’ve been knitted with an ergonomic design for maximum comfort. They are also surprisingly flexible, to the point you don’t even notice that the heating element is there until you turn it on and feel the warmth.

The lithium battery is snapped securely onto the upper cuff of the sock. You’ll get up to 14 hours of heat out of a full charge of the battery. You have your choice of three different heat settings.

Lenz ski socks with heating control app
What makes these heating socks stand out is the remote control possibility with the Lenz Heat app. You can download the app for a free trial but unfortunately, the app does cost $4-5. The app is useful, as it lets you see the current percentage of the sock’s battery and lets you adjust the temperature settings or even turn the socks on or off.

The ability to turn the sock off mid-day is a definite plus because these can get too warm for many people.

Lenz is a German company and while the instructions are better than some, they are a bit on the confusing side. Luckily, it’s not too difficult to figure out how these socks work

Pros
  • comfortable, flexible, and warm
  • 3 heat settings
  • optional remote control via app
  • machine washable
  • fast battery charge
Cons
  • expensive
  • have to buy the app separately
  • might get too hot for some
Verdict: The Lenz Lithium + Sock Heating Pack is a nice looking sock with some major advantages. The option to control the socks with a smartphone app is incredibly convenient but it’s unfortunate that you have to pay for the app on top of the already pricey socks.

Therm-ic Basic PowerPack + Soles – A More Affordable Solution But Basic

Hotronic is a company that focuses on keeping people warm and dry. This FootWarmer kit has everything you need for keeping your ski boots toasty and comfortable for a great day on the slopes.

The kit comes with cut-to-size insoles, two battery packs, and self-adhesive covers and strips. You just trace your insole and then trim them to size. It’s nice to get a custom fit without having to pay to have something custom-made. The instructions for installing these are pretty awful, but a video can walk you through the actually quite easy installation process.


You get three temperature levels with this power pack and you adjust them by pushing the + or – button. You can tell what temperature level you’re on by the LED lights.

Like the other Therm-ic warmer setup, you also have a system with these that stimulates your own blood circulation. This helps naturally boost your temperature so you won’t need to always rely on the highest temperature setting.

Pros
  • affordable
  • easy to use
  • helps naturally boost temperature
  • 3 heat settings
  • uses AA batteries
Cons
  • powerpack is a bit bulky
  • batteries won’t last as long
  • not as durable as some other models
Verdict: This is a decent ski boots warmer solution if you don’t have too much to spend. You get nice heat production but with the AA battery power, you won’t be able to go all day long with one set of batteries.

ThermaCELL ProFLEX – A Remote But With Quality Control Concerns

hese heated insoles are made from a breathable, water-resistant polyurethane foam. They offer some cushion and shock absorbency as well. You have your choice of three different temperature levels. You can control the temperature with a wireless remote control.

One drawback of these insoles is the battery life. You’ll only get a maximum of five hours out of a single battery charge. This could be worse but it could also be a lot better. It takes about four hours to recharge the battery.

thermacell proflex ski insoles
One thing that makes this better is that you get two sets of batteries with these insoles. That means that you can start the day with two fully charged sets and then switch out mid-day when needed. You also get two chargers. A drawstring travel bag makes it extra convenient to bring the whole set with you when traveling for a weekend of skiing.

These insoles are pretty reliable and ThermaCELL backs them up with a one-year warranty. They claim that the insoles will work for at least 500 uses.

While there are a number of really positive Amazon reviews, there are an almost equal number of really negative reviews. Among the biggest complaints are receiving entirely defective units or not receiving the spare battery packs. Some also complain that they don’t get warm enough.

It’s true that they don’t get as hot as some other ski boots warmers. However, many other warmers get too hot for some people so these insoles are just right for some people in terms of heat level.

Pros
  • remote control
  • one-year warranty
  • extra set of batteries and chargers
  • travel bag
  • clear and easy instructions in the manual
Cons
  • they don’t get super hot
  • there appears to be some quality control issues
  • not quite as durable as other models
Verdict: The ThermaCELL ProFLEX insoles are a moderately priced boot warmer with a few big advantages, namely the remote control and the extra batteries. That said, there do seem to be some not insignificant quality control issues here.

ThermaCELL Heated Insoles – Simple But Effective

This is a simple pair of heated insoles from ThermaCELL that gets the job done. They are made with a breathable polyurethane foam that is a good heat conductor and helps with shock absorption as well.

You adjust the heat (100-111°F) using a convenient remote control. You also have the option to the turn the heating element off at any point, to help prevent you from getting too hot.

Thermacell ski boots warmer
Heat is powered by rechargeable Lithium Polymer batteries. These don’t have as long of a runtime as some other insoles but it is decent, at around 5 hours of warming on the medium setting.
Pros
  • 1-year warranty
  • comfortable with ski boots or other shoes
  • remote control
  • convenient travel bag
Cons
  • big variation in price depending on size
  • not as durable as they could be
  • don’t get as hot as other models
Verdict: The ThermaCELL Heated Insoles are a decent basic model of heated insoles for your ski boots. They don’t get super hot and the battery doesn’t last all day but they will be good enough to meet many people’s needs.

Hot Hands Foot Warmer – Low Cost But One-Time Use

Let’s face it. Most ski boots warmers are pretty expensive. If you’ve got cold feet but just can’t afford one of these solutions right now, you might consider the Foot Warmers from the Hot Hands brand. These are one-time-use insoles that use a chemical reaction to create heat for a few hours.

The heat is air-activated but it will take about 15-30 minutes for them to fully heat up.

If the heat decreases too quickly, just expose them to warmer air for a bit and shake. These odorless liners are safe and disposable without risk of hurting the environment. However, you shouldn’t apply them directly to your skin.

The box of sixteen pairs makes for a pretty great value considering the low price. If you don’t ski all that often, this might be the best solution for you.

Pros
  • great value
  • safe
  • versatile
  • surprisingly long-lasting
  • convenient
Cons
  • single use only
  • no choice of heat level
  • would be expensive to buy continually over time
Verdict: Hot Hands Foot Warmers are an ideal solution for anyone who doesn’t ski often or doesn’t have a big budget. These versatile insoles offer great value and they last a surprisingly long time.

Dry&Warm Footwear Pre-heater – Start Warm

Part of the problem with getting cold feet when skiing is starting with cold or even wet boots. This solution deals with that part of the problem by letting you get your boots dry and toasty before you step into them.

They are pretty simple and straightforward to use. Just plug the cord into a wall outlet and put a warmer into each boot.

If your boots are wet, you can use these overnight to dry them out. If the boots are dry, it will only take around half an hour to get them nice and warm before a day of skiing.
Pros
  • can fully dry boots
  • warms boots up quickly
  • simple to use
  • long-lasting
  • very affordable
  • safe, no damage to boots
Cons
  • heat doesn’t last
  • only gets slightly warmer than body temperature
Verdict: If you’ve tried a boot warmer and found that it made you too hot, the Dry&Warm Footwear Pre-heater might be a great solution. You can use them to dry wet boots or just start the day with boots that are warm and toasty.

Buyer’s Guide & FAQ

Can I buy Ski Boots with built-in heaters?

Ski boots that have built-in heating are surprisingly relatively new. There aren’t too many available on the market just yet but it’s likely that more boot makers will start adding the option for central heating. Salomon was the first company to make boots with integrated heating and for now, the Salomon Quest Access Custom Heat Ski Boots are the best ones available.

Because ski boots are so personal, I’m not sure it’s worth changing boots just for the heating system at this point. Maybe eventually, your favorite line of boots will be available with built-in heaters. Until then, you’re probably best off using an add-on boot warmer with the boots you already love and trust.

How Do I install these warmers?

In all of these cases, installation of the boot warmers is fast and easy. It is ultimately just as simple as putting on socks or boots. The only difference in the case of insoles is that you may need to cut them to size.
Checkout the video below from alpine accessories on how to install and cut heated insoles for ski boots:

The other difference, in most cases, is that you’ll have to charge the warmers. You’ll be able to handle this step if you’ve ever had to plug in to charge your phone or any other device.

Are they worth it?

It really depends on you!

How much is it worth for your feet to not be freezing?
Will it mean a few extra hours on the slopes?
Will it mean you enjoy your runs more?
Will it mean you’ll spend less time complaining about being cold and more time enjoying the beauty all around you and the company of your ski companions?

Personally, I think those things are worth quite a bit. For me, ski boot warmers are most definitely worth it!

If cold feet is just a minor or occasional problem for you and one that doesn’t impact your ski day all that much, the investment in boot warmers might not be worth it.

My recommendation is to try them! Chances are good you probably know another skier with some boot warmers. Give them a try and see whether or how much it improves your skiing experience. If it makes skiing more fun, ski boot warmers are probably worth it for you.

If it only makes things a little bit better, then investing in one of the more expensive boot warmers probably doesn’t make sense. In that case, I’d recommend going with a cheap option like the Hot Hands Insole Foot Warmers. They aren’t the very best option but they can help warm you up and they are mighty affordable.

Can I make a DIY version myself?

You can definitely make a DIY ski boot dryer but a DIY warmer is a different story.

Making sure your boots are dry to begin with can really help with keeping your feet warm, though, so I strongly recommend the boot dryer project.

I like a good DIY project that isn’t too hard or too expensive and this one was right up my alley. Making a DIY boot warmer, on the other hand, would almost certainly be extremely challenging and quite expensive. It’s doubtful the results will be all that effective either.

Can a simple boot cover help?

Yes, a simple boot cover can make a difference in your foot warmth. It’s unlikely they will do as much as a boot warmer but you will notice an improvement. Neoprene covers like the DryGuy BootGlove Boot Covers are waterproof and easy to put on. They should boost the in-boot temperature by a decent amount. Personally, I think a boot warmer plus a boot cover are great when the conditions are really bitterly cold.

Should I get heated Skiing insoles or socks?

This is a matter of personal preference. Insoles really only heat the bottom of the boot. For many, this is all they really want or need. When just the bottoms of the feet are heated, there is some corresponding heat transfer to the rest of the foot. For many people, an insole won’t do enough.

A heated sock will apply heat to more of the foot and lower leg. A more broad application of heat will likely lead to more warmth, more quickly.

How long is that battery pack going to last?

It depends. The answer is different for pretty much every boot warmer on this list. For the Hot Hands Foot Warmer, of course, there is no battery! The warmers can be expected to last for up to nine hours but they are one-time-use only and will probably really only be decently warm for 3-4 hours.

For the Therm-ic Smartpack RC 1200, on the other hand, the battery pack will last up to 22 hours. In most of these ski boots warmers, the battery life will depend on the outdoor temperature and the heat setting you are using on the warmer. If it’s really cold and/or your warmers are set to the hottest setting, the battery won’t last as long.

Closing Thoughts

For me, adding ski boots warmers to my collection of ski gear has made all the difference.

When I’m not focused on my cold feet, I can enjoy the beauty and the fun of one of my favorite activities so much more. There are great ski boots warmers available at a range of prices and in a range of styles, from insoles to socks to chemical warmers.

Have you tried any of these? What did you think? Let me know in the comments if you have any questions about boot warmers!

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