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Man wearing a blue sweater standing in a snowy forest
Man in a blue sweater standing in a snowy forest

Your Climate-Control Layer

Advanced tech. Effortless comfort. Ultimate versatility.
Explore Clima-Tek
Woman in a black outfit standing in a snowy landscape
Woman in a black outfit standing in a snowy landscape

Warmth That Moves With You

Micro-Elite Chamois keeps you warm on the mountain and comfortable everywhere else.
Gear Up Now
Person sitting on a rock in a snowy landscape wearing a black long-sleeve top and colorful patterned leggings.
Person sitting on a rock in a snowy landscape wearing ski goggles and patterned pants.

A Classic Reborn — Because Some Legends Never Fade.

Because real warmth never goes out of style — rediscover the layer that defined a generation of comfort.
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Looking for the new stuff?

We've got new Hot Chillys in the warehouse!

Some products have limited availability, don't miss out.

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Woman wearing Hot Chillys thermal baselayers next to a river
Our  women’s base layers go a step beyond the features of our basic black under layers by adding a flair for fun and expression with prints, patterns, and color! Hot Chillys supports your wild side, so choose your favorite from our women's thermal base layers, tops, bottoms, and socks.

Women's Base Layers

Shop Women's
Man wearing Hot Chillys thermal base layers sitting on a snow covered log
Engineered with performance in mind, our men's base layers will keep you dry, warm, and very comfortable, so you can concentrate on having a good time outdoors. With Hot Chillys base layers for men, you can conquer the coldest temperatures while still enjoying your time outdoors.

Men's Base Layers

Shop Men's
Kids playing wearing thermals in a cabin
Focusing on comfort and performance, Hot Chillys' uses the same technical properties on our kid’s thermals as our adult base layer collections. 'Cuz kids want to stay warm, dry, and comfortable so that they can have fun, too!

Youth & Kids Base Layers

Shop Youth
Hiker wearing Hot Chillys Elite Heat socks at the north entrance to Yellowstone National Park
Designed for cold-weather performance and everyday comfort, Hot Chillys Socks are your go-to layer for keeping feet warm, dry, and supported. Crafted with moisture-wicking fibers and a soft, insulating blend, these socks help regulate temperature so no one has to worry about their feet.

Winter Sport Socks

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Youth wearing a gray beanie and colorful thermal base layers in a snowy mountain landscape
Soft, breathable, and built for warmth—Hot Chillys beanies and gaiters lock in heat and keep out the chill, whether you're on the mountain or on the move.

Beanies & Gaiters

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Woman wearing Hot Chilly winter sport mask with a tree covered mountain in the background
Engineered for high-output cold-weather activity, Hot Chillys masks feature moisture-wicking, quick-dry performance fabrics that keep you warm without overheating.

Face Protection

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All season layers

Woman in a gray knit hat and light blue sweater standing in a snowy forest.
Our most versatile layers

Clima-Tek Cold Weather Base Layers
Family of three walking together in a snowy landscape with mountains in the background
Activewear in adult & youth sizes

High-Performance Thermals

Let customers speak for us

from 115 reviews
Excellent base

Fit our 8 year granddaughter perfectly and provided excellent warmth on their recent trip to Steamboat.

Lorie Tomlinson
Youth Originals Tight - Black
Excellent base

This fit our 8 year old granddaughter perfectly. Provided excellent warmth for her on their recent ski trip to Steamboat.

Lorie Tomlinson
Youth Originals Crewneck - Black
I love hotchillys

I love hotchillys!! A staple for the winter months in NC!!

Greg Edge
Men's Clima-Tek Hoodie - Black
Perfect top!

Bought this for my trip to Antarctica and it was absolutely perfect. I wore it everyday when going out and it was soft, kept me warm and dry. It isn't too snug or too loose, just perfect. This has become a staple in my winter wardrobe!

Michelle R
Women's Pepper Bi-Ply Crewneck - Black
Dave

Toasty, just what I wanted

David Upward
Men's La Montaña Fleece Bottom - Black
Great for golf

haven't used this to ski yet, but love it for cold weather golf.

Steve M DeWalle
Adult Micro-Elite Chamois Neck Gaiter - Granite
Fantastic

Been wearing this nearly every day this winter. Love it!

Steve M DeWalle
Men's Micro-Elite Chamois Crewneck - Black
Great stuff!

Rediscovered Hot Chillys after having some 20 years ago and they are still great. Love these!

Steve M DeWalle
Men's Micro-Elite Chamois Tight - Black
Great Product

Very happy with these long John’s. I have been trying to find something warm for years. I have tried some of the big name gear versions and they have no warmth what so ever and I end up needing to put on two pair to stay warm. These have been great for the 15 and above range I have used them in while skiing. They also seem to fit true to size. Very pleased with them.

Jerry Binder
Men's Micro-Elite Chamois Tight - Black
Women's Micro-Elite Chamois Tight -

i only ware hot chilly's brand. their thin so you are not feeling bulky but really warm. I've been using this brand for at least 15 to 18 years. i worked outside in all types of weather now I'm retired and want them for having fun outside and for shoveling snow. the only thing that's different that i miss are the stirrup's.

joanne m miller
Women's Micro-Elite Chamois Tight - Black
women micro elite chamois crewneck

i only ware hot chilly's brand. their thin so you are not feeling bulky but really warm. I've been using this brand for at least 15 to 18 years. i worked outside in all types of weather now I'm retired and want them for having fun outside and for shoveling snow.

joanne m miller
Women's Micro-Elite Chamois Crewneck - Black
The best

This top is so comfortable and warm. Fits nicely under regular clothes

Kelley Trent
Men's Micro-Elite Chamois Crewneck - Black

Love!

Holland Myers
Women's Clima-Tek Crewneck - Black
Warm….i mean Bad to Da Bone!

Perfect fit, Perfect feel, Perfect warmth. I walk every night durning the winter with these on, and they protect in 0-15 degree temps, don’t let the cold in and let the moisture out. No disappointment here!

Benjamin Westerfield
Men's Micro-Elite Chamois Crewneck - Black
Good looking shirt

Well made for outdoor stuff but also great looking for casual wear

William Miller
Men's Clima-Tek Zip-T - Grey Heather

Check out our Bestsellers

Try one. Love it. Rinse, repeat.

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Red logo with 'SINCE 1985' and a chili pepper on a white background

It all started in 1985, when Hot Chillys introduced the first body fit Thermal Base Layers.

Hot Chillys set a new standard on the slopes by blending warmth, performance, and fit —introducing base layers with fabric tech once exclusive to elite running gear.

Check out Chillys
Shop Youth
Three children in ski gear standing on a snowy slope with mountains in the background

Add some spice

Shop Fiesta
Person snowshoeing through a snowy forest
Shop Micro-Elite Chamois

Base Layer Tips

Is Micro-Elite™ XT the Same as La Montaña Fabric?
3 min read
Is Micro-Elite™ XT the Same as La Montaña Fabric?

While both Micro-Elite™ XT and La Montaña are premium Hot Chillys fabrics designed for cold conditions, they are not the same....

Read more
snow play slope winter scene
4 min read
How to Choose the Right Size for Youth Thermal Clothing

How to Choose the Right Size for Youth Thermal Clothing When it comes to keeping our kids warm in chilly...

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Staying Cool and Protected: The Surprising Benefits of Thermal Base Layers for Summer
4 min read
Staying Cool and Protected: The Surprising Benefits of Thermal Base Layers for Summer

As the temperatures rise and the sun beats down, it's easy to assume that thermal base layers are only for...

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