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Hot Chillys men's thermal base layer pants in black for warmth and comfort
Men's Clima-Tek Bottom - Black
Regular price $75.00
$75.00
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Hot Chillys men's long sleeve thermal top in black with contrast stitching for cold weather
Men's Clima-Tek Crewneck - Black
Regular price $75.00
$75.00
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Hot Chillys men's black thermal zip shirt with long sleeves and quarter zip collar
Men's Clima-Tek Zip-T - Black
Regular price $92.00
$92.00
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Hot Chillys women's black thermal crewneck long sleeve top with contrast stitching
Women's Clima-Tek Crewneck - Black
Regular price $75.00
$75.00
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Hot Chillys women's thermal base layer in black with quarter zip and long sleeves
Women's Clima-Tek Zip-T - Black
Regular price $92.00
$92.00
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Hot Chillys men's thermal crewneck shirt in blue with long sleeves and lightweight fabric
Men's Clima-Tek Crewneck - Nightfall Heather
Regular price $75.00
$75.00
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Hot Chillys men's thermal base layer pants in gray with branded waistband for cold weather
Men's Clima-Tek Bottom - Nightfall Heather
Regular price $75.00
$75.00
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Hot Chillys men's winter thermal hoodie in black with long sleeves and fitted hood
Men's Clima-Tek Hoodie - Black
Regular price $97.50
$97.50
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Hot Chillys men's thermal zip shirt in gray with long sleeves and half-zip collar
Men's Clima-Tek Zip-T - Nightfall Heather
Regular price $92.00
$92.00
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Hot Chillys Clima-Tek thermal crewneck in gray, perfect for layering in cold weather
Men's Clima-Tek Crewneck - Grey Heather
Regular price $75.00
$75.00
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Women's Clima-Tek Crewneck - Hot Chillys#color_grey-heather
Women's Clima-Tek Crewneck - Grey Heather
Regular price $75.00
$75.00
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Hot Chillys Women's Clima-Tek Crewneck - Nightfall Heather
Women's Clima-Tek Crewneck - Nightfall Heather
Regular price $75.00
$75.00
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Hot Chillys blue long sleeve winter thermal shirt for women with quarter zip collar
Women's Clima-Tek Zip-T - Nightfall Heather
Regular price $92.00
$92.00
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Hot Chillys women's thermal leggings in dark gray for cold weather warmth and comfort
Women's Clima-Tek Tight - Grey Heather
Regular price $75.00
$75.00
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Hot Chillys men's thermal base layer top in dark red with quarter zip and long sleeves
Men's Clima-Tek Zip-T - Burgundy Heather
Regular price $92.00
$92.00
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Hot Chillys women's thermal hoodie in black with long sleeves and fitted hood for cold weather
Women's Clima-Tek Hoodie - Black
Regular price $97.50
$97.50
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Hot Chillys women's black thermal joggers with high waistband and fitted cuffs
Women's Clima-Tek Jogger - Black
Regular price$85.00 $51.00
$51.00
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Hot Chillys Men's Clima-Tek Boxer - Black
Men's Clima-Tek Boxer - Black
Regular price$32.00 $32.00
$32.00
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Hot Chillys Hot Chillys E-Gift Card
Hot Chillys E-Gift Card
From Regular price $25.00
From $25.00
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Hot Chillys women's thermal zip top in gray with a stylish half-zip design for warmth and comfort
Women's Clima-Tek Zip-T - Grey Heather
Regular price $92.00
$92.00
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Hot Chillys Men's thermal hoodie in dark gray with a snug fit and lightweight fabric for warmth
Men's Clima-Tek Hoodie - Nightfall Heather
Regular price $97.50
$97.50
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Hot Chillys Men's Crewneck T-Shirt in Heather Blue for Comfortable Everyday Wear
Men's Clima-Tek Tee - Nightfall Heather
Regular price$58.00 $58.00
$58.00
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Hot Chillys men's boxer briefs in gray with Clima-Tek moisture wicking underwear technology for all-day comfort
Men's Clima-Tek Boxer - Nightfall Heather
Regular price$32.00 $32.00
$32.00
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Hot Chillys clima-tek moisture wicking tee crewneck in black with short sleeves and subtle logo
Men's Clima-Tek Tee - Black
Regular price$58.00 $58.00
$58.00
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Hot Chillys Men's Clima-Tek Boxer - Grey Heather
Men's Clima-Tek Boxer - Grey Heather
Regular price$32.00 $32.00
$32.00
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Hot Chillys women's cold weather thermal shirt in red with long sleeves and quarter zip
Women's Clima-Tek Zip-T - Burgundy Heather
Regular price $92.00
$92.00
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Men's Clima-Tek Crewneck - Hot Chillys#color_od-heather
Men's Clima-Tek Crewneck - OD Heather
Regular price $75.00
$75.00
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Hot Chillys grey warm winter hoodie for men with long sleeves and fitted hood
Men's Clima-Tek Hoodie - Grey Heather
Regular price $97.50
$97.50
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Men's Clima-Tek Bottom - Hot Chillys#color_burgundy-heather
Men's Clima-Tek Bottom - Burgundy Heather
Regular price $75.00
$75.00
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Hot Chillys women's thermal tights in gray designed for warmth and comfort
Women's Clima-Tek Tight - Nightfall Heather
Regular price $75.00
$75.00
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Hot Chillys women's thermal hoodie in dark gray with long sleeves and fitted hood
Women's Clima-Tek Hoodie - Nightfall Heather
Regular price $97.50
$97.50
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Hot Chillys Men's Clima-Tek Jogger - Nightfall Heather
Men's Clima-Tek Jogger - Nightfall Heather
Regular price $85.00
$85.00
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Hot Chillys black moisture wicking thermal tee women with short sleeves and crew neck
Women's Clima-Tek Tee - Black
Regular price$58.00 $58.00
$58.00
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Hot Chillys red crewneck warm performance t-shirt for winter sports with short sleeves
Men's Clima-Tek Tee - Burgundy Heather
Regular price$58.00 $58.00
$58.00
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Hot Chillys moisture wicking men's Clima-Tek tee in gray with short sleeves and crewneck design
Men's Clima-Tek Tee - Grey Heather
Regular price$58.00 $58.00
$58.00
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Hot Chillys men's thermal base layer top in light blue with quarter zip and long sleeves
Men's Clima-Tek Zip-T - Ashley Blue Heather
Regular price$89.50 $50.00
$50.00
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Hot Chillys men's thermal hoodie in gray with long sleeves and fitted hood for outdoor warmth
Men's Clima-Tek Hoodie - OD Heather
Regular price $97.50
$97.50
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Hot Chillys men's hooded thermal shirt in deep red with long sleeves and snug fit
Men's Clima-Tek Hoodie - Burgundy Heather
Regular price $97.50
$97.50
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Hot Chillys Clima-Tek moisture wicking tee for women in light blue activewear short sleeve shirt
Women's Clima-Tek Tee - Ashley Blue Heather
Regular price$58.00 $58.00
$58.00
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Hot Chillys women's thermal hoodie in deep red with long sleeves and fitted hood
Women's Clima-Tek Hoodie - Burgundy Heather
Regular price $97.50
$97.50
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Hot Chillys women's thermal hoodie in light gray with fitted long sleeves and hood
Women's Clima-Tek Hoodie - OD Heather
Regular price $97.50
$97.50
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Hot Chillys women's thermal hoodie in light gray with fitted design and long sleeves for cold weather
Women's Clima-Tek Hoodie - Ashley Blue Heather
Regular price $97.50
$97.50
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Hot Chillys performance thermal base layer shirt in gray with long sleeves and quarter zip
Men's Clima-Tek Zip-T - OD Heather
Regular price $92.00
$92.00
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Hot Chillys women's thermal hoodie in gray with long sleeves and fitted design for cold weather
Women's Clima-Tek Hoodie - Grey Heather
Regular price $97.50
$97.50
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End of season sale



Great Deals on final sale items — up to 40% off discontinued styles and colors.

Sale price will be automatically applied at checkout.

Shop the Sale

Men's Thermal Base Layers for Ultimate Warmth

Men’s thermal base layers engineered for warmth, breathability, and performance. Available in non-bulky to mountain-weight styles, these men’s base layers are designed for skiing, snowboarding, hiking, and winter layering.

Moisture-wicking fabrics and flexible construction help keep you dry, warm, and comfortable all season long.

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Men's Peach Skins Bottom - Hot Chillys#color_noche1
Men's Peach Skins Bottom - Noche
Regular price $55.00
$55.00
No reviews
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Hot Chillys clima-tek moisture wicking tee crewneck in black with short sleeves and subtle logo
Men's Clima-Tek Tee - Black
Regular price$58.00 $58.00
$58.00
1 review
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White socks with red snowflake pattern and red cuffs and toes on a white background
Adult Fiesta Mid Volume Sock - Snowfall/Red
Regular price $26.00
$26.00
No reviews
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Hot Chillys men's thermal base layer zip top in gray and black with quarter zip collar
Mens Micro-Elite Chamois Zone Zip-T - Granite/Black
Regular price $105.00
$105.00
No reviews
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Pair of camouflage-patterned socks on a grey background
Mens Texture Camo Mid Volume Sock - Bronze Green
Regular price $26.00
$26.00
No reviews
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Sold Out
Hot Chillys thermal ski socks for adults in gray and black with mountain design for cold weather
Adult Mountain Mid Volume Sock - Black/Grey
Regular price $26.00
$26.00
No reviews
Sold Out
Pair of navy and red striped socks with geometric pattern on a blue background
Adult Saltillo Elite Mid Volume Sock - Bellweather
Regular price $34.00
$34.00
3 reviews
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Hot Chillys Men's Clima-Tek Boxer - Grey Heather
Men's Clima-Tek Boxer - Grey Heather
Regular price$32.00 $32.00
$32.00
1 review
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Men's Clima-Tek Crewneck - Hot Chillys#color_od-heather
Men's Clima-Tek Crewneck - OD Heather
Regular price $75.00
$75.00
2 reviews
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Hot Chillys grey warm winter hoodie for men with long sleeves and fitted hood
Men's Clima-Tek Hoodie - Grey Heather
Regular price $97.50
$97.50
1 review
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Men's Clima-Tek Bottom - Hot Chillys#color_burgundy-heather
Men's Clima-Tek Bottom - Burgundy Heather
Regular price $75.00
$75.00
2 reviews
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Hot Chillys black and grey winter socks with striped pattern and knee-high length for cold weather
Adult Saltillo Elite Mid Volume Sock - Black/Grey
Regular price $34.00
$34.00
3 reviews
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Hot Chillys Men's Clima-Tek Jogger - Nightfall Heather
Men's Clima-Tek Jogger - Nightfall Heather
Regular price $85.00
$85.00
2 reviews
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Hot Chillys elite thermal socks for winter sports in navy with pink and orange stripes
Adult Performance Stripe Elite Sock Low Volume - Vintage Indigo
Regular price $32.00
$32.00
No reviews
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Hot Chillys red crewneck warm performance t-shirt for winter sports with short sleeves
Men's Clima-Tek Tee - Burgundy Heather
Regular price$58.00 $58.00
$58.00
1 review
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Hot Chillys moisture wicking men's Clima-Tek tee in gray with short sleeves and crewneck design
Men's Clima-Tek Tee - Grey Heather
Regular price$58.00 $58.00
$58.00
1 review
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Sale
Hot Chillys men's thermal base layer top in light blue with quarter zip and long sleeves
Men's Clima-Tek Zip-T - Ashley Blue Heather
Regular price$89.50 $50.00
$50.00
2 reviews
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Hot Chillys men's thermal hoodie in gray with long sleeves and fitted hood for outdoor warmth
Men's Clima-Tek Hoodie - OD Heather
Regular price $97.50
$97.50
1 review
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Hot Chillys men's thermal ski socks in black and gray with red accents and patterned design
Adult Winter Sport Elite Low Volume Sock - Black/Grey
Regular price $32.00
$32.00
1 review
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Hot Chillys men's hooded thermal shirt in deep red with long sleeves and snug fit
Men's Clima-Tek Hoodie - Burgundy Heather
Regular price $97.50
$97.50
1 review
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Hot Chillys volume winter socks for adults in navy blue with pink accents and textured knit design
Adult Winter Sport Elite Low Volume Sock - Vintage Indigo
Regular price $32.00
$32.00
No reviews
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Hot Chillys Mountain Range Unisex Hoodie#color_navy
Hot Chillys Mountain Range Unisex Hoodie
Regular price $55.00
$55.00
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Hot Chillys black and grey winter socks with striped pattern and knee-high length for cold weather
Adult Saltillo Elite Low Volume Sock - Black/Grey
Regular price $32.00
$32.00
3 reviews
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Hot Chillys moisture wicking base layer socks with orange, blue, and black striped design
Adult Saltillo Elite Low Volume Sock - Bronze Green
Regular price $32.00
$32.00
3 reviews
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Landscape Tee#color_mustard
Hot Chillys Mountain Range Unisex T-Shirt
Regular price $35.00
$35.00
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Hot Chillys 1985 Circle Logo Unisex Hoodie#color_black
Hot Chillys 1985 Circle Logo Unisex Hoodie
Regular price $55.00
$55.00
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Hot Chillys Hot Chillys 1985 Circle Logo Unisex T-shirt
Hot Chillys 1985 Circle Logo Unisex T-shirt
Regular price $35.00
$35.00
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Hot Chillys performance thermal base layer shirt in gray with long sleeves and quarter zip
Men's Clima-Tek Zip-T - OD Heather
Regular price $92.00
$92.00
2 reviews
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Product mockup
Hot Chillys Triple Diamond Tee
Regular price $35.00
$35.00
No reviews
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Home / Shop / Men's Thermal Base Layers for Ultimate Warmth

Stay warm and comfortable in all conditions with our collection of men's thermal base layers. Designed for performance, these layers provide ultimate warmth on the coldest days. Hot Chillys offers a variety of thermal options to keep you cozy during winter sports or everyday activities.

Each piece in our collection of men's thermal base layers is crafted from high-quality materials that wick moisture away. This means you stay dry and warm, no matter how intense your adventure gets. Ideal for skiing, snowboarding, or just enjoying the great outdoors, these layers are your first defense against the chill.

With styles that include long sleeves and fitted designs, our men's thermal base layers fit snugly under any winter gear. This ensures that you maintain your mobility while also enjoying the benefits of heat retention. Layer them under your favorite jackets or wear them solo during cool nights.

Hot Chillys understands the need for both function and comfort. Our men's thermal base layers provide a soft feel against your skin, making them ideal for long wear. Whether you’re hitting the slopes or simply heading outdoors, you can rely on these thermals to keep you warm.

Explore our collection today and find the perfect fit for your winter needs. Embrace the cold weather confidently with our men's thermal base layers designed for ultimate performance and warmth.

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