Family Ski Vacation - MountainsFamily Ski Vacation Mountains

Base layer
and winter accessories
for all of life's adventures.

Men's Pepper Stretch Wool CrewneckMen's Merino Wool BottomMen's Merino Wool CrewneckMen's Pepper Stretch Wool BottomWomen's Merino Wool Crewneck

On sale for a limited time

Save on Wool

Save on hotchillys.com exclusive wool styles for a limited time.

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Women's Thermals

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

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Men's Thermals

Engineered with performance in mind, our men's thermal long johns will keep you dry, warm, and very comfortable, so you can concentrate on having a good time outdoors. With Hot Chillys thermals for men, you can conquer the coldest temperatures while still enjoying your time outdoors.

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Youth & Kid's Thermals

Engineered with performance in mind, we use 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!

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Winter Mountain Biking

Whatever You Need, We Have You Covered

From outdoor and snow sports to running and cycling, our high quality and durable outdoor winter thermals are ideal for staying warm and dry during your favorite winter activities.

Browse Collections
Hot Chillys Mens thermal Long Underwear Prints

Built for Comfort, Flexibility and Fit

Hot Chillys’ collection of winter thermals, outdoor clothing and accessories is designed with you in mind. Do what you love while staying warm and dry with our thermal base layers, clothing and accessories for men, women and kids.

In 1985, Hot Chillys introduced the very first body fit thermal base layer. 36 years later, our mission remains the same. To engineer the most advanced performance products possible for all of our pepper enthusiasts! Learn more about our history, we think it’s pretty cool.
A Woman’s Guide To Dressing Warmly in Winter
A Woman’s Guide To Dressing Warmly in Winter
Essential Items To Pack for a Winter Vacation
Essential Items To Pack for a Winter Vacation
Tips for Choosing the Warmest Thermal Underwear
Tips for Choosing the Warmest Thermal Underwear