Skip to content

Cart (0)

Your cart is currently empty.

Best Sellers

Don't forget these...

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 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 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 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 Women's Clima-Tek Crewneck - Nightfall Heather

Women's Clima-Tek Crewneck - Nightfall Heather

Regular price $75.00

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

Regular price $92.00

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 base layer top in dark red with quarter zip and long sleeves

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

Regular price $92.00

Women's Clima-Tek Hoodie - Black

Women's Clima-Tek Hoodie - Black

Regular price $97.50

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

Women's Clima-Tek Jogger - Black

Regular price$85.00 $85.00

Hot Chillys Men's Clima-Tek Boxer - Black

Men's Clima-Tek Boxer - Black

Regular price$32.00 $32.00

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 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

Men's Clima-Tek Tee - Black

Regular price$58.00 $58.00

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

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

Men's Clima-Tek Boxer - Grey Heather

Regular price$32.00 $32.00

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

Men's Clima-Tek Crewneck - OD 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

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

Men's Clima-Tek Bottom - Burgundy Heather

Regular price $75.00

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 Men's Clima-Tek Jogger - Nightfall Heather

Men's Clima-Tek Jogger - Nightfall Heather

Regular price $85.00

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 hoodie in dark gray with long sleeves and fitted hood

Women's Clima-Tek Hoodie - Nightfall 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 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 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 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 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 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 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 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

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

Free shipping on orders over $100

Easy returns with pre-paid labels

Men
Women
Kids
- Product
- Age
  - Toddler
  - Youth
Base Layers
Socks
- By Use
- By Volume
  - Low Volume
  - Mid Volume
Accessories
- Face and Head
- Cold Protection
  - Extreme Cold Accessories
  - Winter Face Protection

Log in

Don't miss today's offers!
0

Men
Women
Kids
- Product
- Age
  - Toddler
  - Youth
Base Layers
Socks
Accessories

Don't miss today's offers!

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.

Home / Shop / Boy's Base Layer Bottoms

Boy's Base Layer Bottoms

Sort by

Filter by

Warmth Level

0 selected Reset

Extreme Conditions (1)
Cold Conditions (3)
Cool to Cold Conditions (8)
Cool Conditions (2)

Fit

0 selected Reset

Body Fit (10)
Active Fit (1)
Relaxed Fit (3)

Size

0 selected Reset

XXS (9)
XS (14)
S (14)
M (14)
L (14)
XL (14)

Color

0 selected Reset

Black (6)
Doods/Grey (1)
Downhill Ski (1)
Mountain Storm (1)
Nordic Snowflake (1)
Sheep (1)
Snow Bears (1)
Toucans (1)
Winter Seals (1)

Availability

0 selected Reset

In stock (11)
Out of stock (9)

Price

The highest price is $68.00 Reset

From $

To $

Sort by

Filter by

Warmth Level

0 selected Reset

Extreme Conditions (1)
Cold Conditions (3)
Cool to Cold Conditions (8)
Cool Conditions (2)

Fit

0 selected Reset

Body Fit (10)
Active Fit (1)
Relaxed Fit (3)

Size

0 selected Reset

XXS (9)
XS (14)
S (14)
M (14)
L (14)
XL (14)

Color

0 selected Reset

Black (6)
Doods/Grey (1)
Downhill Ski (1)
Mountain Storm (1)
Nordic Snowflake (1)
Sheep (1)
Snow Bears (1)
Toucans (1)
Winter Seals (1)

Availability

0 selected Reset

In stock (11)
Out of stock (9)

Price

The highest price is $68.00 Reset

From $

To $

Youth Originals Print Tight - Snow Bears

Regular price $55.00

2 reviews

View options

Hot Chillys Youth Originals Tight - Black

Youth Originals Tight - Black

Regular price $49.00

2 reviews

View options

Youth La Montaña Bottom

Regular price $66.00

No reviews

View options

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

Youth Micro-Elite-Chamois Tight - Black

Regular price $62.00

View options

Sold Out

Youth Micro-Elite Chamois Print Tight - Mountain Storm

Regular price $68.00

No reviews

Sold Out

Youth Pepper Bi-Ply Bottom

Regular price $41.00

No reviews

View options

Hot Chillys youth thermal leggings in black for warmth and comfort during cold weather

Youth Pepper Skins Bottom - Black

Regular price $37.00

No reviews

View options

Youth Peach Skins Bottom - Black

Regular price $50.00

No reviews

View options

Sold Out

Youth Micro-Elite Chamois Print Tight - Downhill Ski

Regular price $68.00

No reviews

Sold Out

Youth Originals Print Tight - Sheep

Regular price $55.00

2 reviews

View options

Sale

Hot Chillys kids thermal leggings in blue with winter toucans print

Youth Originals Print Tight - Toucans

Regular price$55.00 $55.00

2 reviews

View options

Sold Out

Youth Originals Print Tight - Winter Seals

Regular price $55.00

2 reviews

Sold Out

Sale

Hot Chillys youth base layer tights with colorful monster print on white background

Youth Originals Print Tight - Doods/Grey

Regular price$55.00 $55.00

2 reviews

View options

Sale

Hot Chillys youth winter base layer tights in red with white snowflake pattern for cold weather

Youth Originals Print Tight - Nordic Snowflake

Regular price$55.00 $55.00

2 reviews

View options

Account

Account
Returns
Warranty
Contact Us

Quick Links

Shipping
Returns/Exchanges Policy
FAQs
Privacy Policy
Terms of Service
Read our Blog
Pro Program
Military Discount
Hot Chillys History
Hot Chillys Accessibility Statement

Product

Fit and Care
Shop by Style
Hot Chillys® Limited Warranty
Gift Cards
Base Layer Finder

Follow

© 2026, Hot Chillys
Performance Apparel LLC, All rights reserved.