Body Fit Thermal Base Layers for Cold Weather Adventures | Hot Chillys

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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

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

Hot Chillys women's black thermal crewneck long sleeve top with contrast stitching

Women's Clima-Tek Crewneck - Black

Regular price $75.00

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

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

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

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

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

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

Hot Chillys women's black thermal joggers with high waistband and fitted cuffs

Women's Clima-Tek Jogger - Black

Regular price $85.00

Hot Chillys Women's Clima-Tek Crewneck - Nightfall Heather

Women's Clima-Tek Crewneck - Nightfall Heather

Regular price $75.00

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

Hot Chillys men's thermal base layer pants in grey for cold weather insulation

Men's Clima-Tek Bottom - Grey Heather

Regular price $97.50

Women's Clima-Tek Crewneck - Hot Chillys#color_grey-heather

Women's Clima-Tek Crewneck - Grey Heather

Regular price $75.00

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

Hot Chillys Men's Clima-Tek Boxer - Black

Men's Clima-Tek Boxer - Black

Regular price$32.00 $32.00

Women's Clima-Tek Zip-T - Nightfall Heather

Regular price $92.00

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

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

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

Hot Chillys Hot Chillys E-Gift Card

Hot Chillys E-Gift Card

From Regular price $25.00

Hot Chillys men's thermal base layer shirt in gray with long sleeves and a front quarter zip

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

Regular price $92.00

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

Men's Clima-Tek Tee - Black

Regular price$58.00 $58.00

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

Men's Clima-Tek Crewneck - Hot Chillys#color_od-heather

Men's Clima-Tek Crewneck - OD Heather

Regular price $75.00

Men's Clima-Tek Bottom - Hot Chillys#color_burgundy-heather

Men's Clima-Tek Bottom - Burgundy Heather

Regular price $75.00

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

Men's Clima-Tek Bottom - Hot Chillys#color_od-heather

Men's Clima-Tek Bottom - OD Heather

Regular price $75.00

Hot Chillys women's thermal tights in gray designed for warmth and comfort

Women's Clima-Tek Tight - Nightfall Heather

Regular price $75.00

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

Hot Chillys Men's Clima-Tek Boxer - Grey Heather

Men's Clima-Tek Boxer - Grey Heather

Regular price$32.00 $32.00

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

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

Hot Chillys women's thermal base layer long sleeve top in light gray for cold weather

Women's Clima-Tek Crewneck - Ashley Blue Heather

Regular price $75.00

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

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

Hot Chillys Men's Clima-Tek Jogger - Nightfall Heather

Men's Clima-Tek Jogger - Nightfall Heather

Regular price $85.00

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

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

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

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

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

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

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

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

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Hot Chillys

Black Friday Sale

Score limited-time deals on our MTF4000 base layers and Clima-Tek shorts and tees—built for moisture-wicking comfort, fast-drying performance, and all-season stretch. From cold-weather MTF4000 warmth to warm weather Clima-Tek everyday essentials, this collection delivers our top technical fabrics at the best prices of the year.

Sale ends 12/12 at 11:59 PM EST. Grab your favorites before they’re gone.

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Holiday Sale - 25% off

Great Deals on summer styles and our fan favorite MTF4000.

Sale price will be automatically applied at checkout.

There are currently no active offers, but check back soon for new deals!

Home / Shop / Body Fit

Body Fit

Sporting a 4-way stretch design, these thermal fabrics are like a warm hug for your body, enhancing breathability and mastering moisture management. Tailored for a next-to-skin fit, they move like you do, in all the directions, while staying against your skin.

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Sort by

Filter by

Warmth Level

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Cold Conditions (26)
Cool to Cold Conditions (14)

Fit

0 selected Reset

Body Fit (40)

Size

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XXS (10)
XS (27)
S (37)
M (37)
L (37)
XL (37)
XXL (10)
2T (3)
3T (3)
4T (3)

Color

0 selected Reset

Black (14)
Black/Black (1)
Doods/Grey (1)
Gondola (1)
Granite (6)
Granite/Black (1)
Granite/Granite (1)
Navy/Navy (1)
Nordic Snowflake (1)
Sheep (1)
Snow Bears (3)
Toucans (2)
White (4)
White/White (1)
Winter Seals (2)

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In stock (39)
Out of stock (20)

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Best Seller

Hot chillys black long sleeve base layers

Women's Micro-Elite Chamois Crewneck - Black

Regular price $77.00

2 reviews

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Best Seller

Hot Chillys women's thermal base layer tights in black for warmth and comfort during outdoor activities

Women's Micro-Elite Chamois Tight - Black

Regular price $77.00

4 reviews

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Best Seller

Men's Micro-Elite Chamois Tight - Hot Chillys#color_black

Men's Micro-Elite Chamois Tight - Black

Regular price $77.00

5 reviews

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Best Seller

Black long-sleeve shirt on a white background

Men's Micro-Elite Chamois Crewneck - Black

Regular price $77.00

4 reviews

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Hot Chillys Youth Originals Tight - Black

Youth Originals Tight - Black

Regular price $49.00

1 review

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Hot Chillys Youth Originals Crewneck - Black

Youth Originals Crewneck - Black

Regular price $49.00

1 review

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Hot Chillys Youth Originals Print Tight - Snow Bears

Youth Originals Print Tight - Snow Bears

Regular price $55.00

1 review

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Hot Chillys Youth Micro-Elite Chamois Crewneck - Black

Youth Micro-Elite Chamois Crewneck - Black

Regular price $62.00

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Hot Chillys black micro elite chamois youth tights designed for comfort and performance

Youth Micro-Elite-Chamois Tight - Black

Regular price $62.00

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Black long-sleeve shirt with a quarter zip on a white background

Women's Micro-Elite Chamois Solid Zip-T - Black

Regular price $105.00

2 reviews

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Youth Toddler Hot Chillys Base Layer Set in Black

Youth Originals Toddler Set - Black

Regular price $65.00

No reviews

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Black long-sleeve athletic shirt with a zipper on a white background

Men's Micro-Elite Chamois Zone Zip-T - Black/Black

Regular price $105.00

1 review

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Hot Chillys Women's Micro-Elite Chamois Premiere Capri Tight - Black

Women's Micro-Elite Chamois Premiere Capri Tight - Black

Regular price $67.50

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Hot Chillys Men's Micro-Elite Chamois Deluxe Boot Tech Tight - Black

Men's Micro-Elite Chamois Deluxe Boot Tech Tight - Black

Regular price $67.50

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Best Seller

Women's Micro-Elite Chamois Crewneck - White

Regular price $77.00

2 reviews

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Best Seller

Men's Micro-Elite Chamois Crewneck - Granite

Regular price $77.00

4 reviews

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Women's Micro-Elite Chamois Pocket Legging#color_black

Women's Micro-Elite Chamois Pocket Legging - Black

Regular price $98.00

2 reviews

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Best Seller

Men's Micro-Elite Chamois Tight - Hot Chillys#color_granite2

Men's Micro-Elite Chamois Tight - Granite

Regular price $77.00

5 reviews

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Hot Chillys Women's 3D Knit Bottom - Black

Women's 3D Knit Bottom - Black

Regular price $90.00

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Hot Chillys Youth Originals Print Crewneck - Snow Bears

Youth Originals Print Crewneck - Snow Bears

Regular price $55.00

1 review

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Best Seller

Women's Micro-Elite Chamois Tight - Hot Chillys#color_white

Women's Micro-Elite Chamois Tight - White

Regular price $77.00

4 reviews

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Best Seller

Gray long-sleeve shirt on a white background

Women's Micro-Elite Chamois Crewneck - Granite

Regular price $77.00

2 reviews

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Best Seller

Women's Micro-Elite Chamois Tight - Hot Chillys granite 2

Women's Micro-Elite Chamois Tight - Granite

Regular price $77.00

4 reviews

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Snow Bear print toddler thermals set

Youth Originals Toddler Print Set - Snow Bears

Regular price $72.00

No reviews

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Men's Micro-Elite Chamois Zone Zip-T - White/White

Regular price $105.00

1 review

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New

Hot Chillys kids thermal leggings winter in light blue with colorful seal patterns

Youth Originals Print Tight - Winter Seals

Regular price $55.00

1 review

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New

Hot Chillys youth cold weather thermal shirt crewneck with colorful seal pattern

Youth Originals Print Crew - Winter Seals

Regular price $55.00

1 review

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New

Hot Chillys kids thermal base layer shirt crewneck in pink with white sheep pattern

Youth Originals Print Crew - Sheep

Regular price $55.00

1 review

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Women's Micro-Elite Chamois Pocket Legging#color_granite

Women's Micro-Elite Chamois Pocket Legging - Granite

Regular price $98.00

2 reviews

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Men's Micro-Elite Chamois Zone Zip-T#color_navy-navy

Men's Micro-Elite Chamois Zone Zip-T - Navy/Navy

Regular price $105.00

1 review

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