Men's Base Layer Tops

Extreme Cold

Maximum warmth and moisture control for the harshest winter conditions.

Cold

Durable, smooth fabric on the outside, brushed fleece on the inside for added warmth.

Cool/Mild

Balanced warmth and breathability for changing or mild conditions.

Warm

Lightweight and moisture-wicking for comfort in warm temperatures.

Sun Protection

Ultra-light and breathable to keep you cool and protected in sunny conditions.

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Best Seller
Front view of man wearing Hot Chillys Micro-Elite Chamois black thermal crewneck top and matching bottoms
MENS
Men's Micro-Elite Chamois Crewneck
Midweight Body Fit Base Layer
$77.00
Hot Chillys men's thermal crewneck in black for warmth and comfort during cold weather
MENS
Men's Pepper Skins Crewneck
Midweight Relaxed Fit Base Layer
$42.00
Front view of man wearing Hot Chillys La Montaña black fleece zip-neck top and matching pants
MENS
Men's La Montaña Fleece Zip T
Heavyweight Active Fit Base Layer
$92.00

A Midweight Relaxed Fit Base Layer, perfect for summer camping in the mountains and winter wear anywhere.

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Sold Out
MENS
Men's Pepper Bi-Ply Crewneck
Midweight Relaxed Fit Base Layer
$47.00
Sold Out
MENS
Men's Peach Skins Crewneck
Lightweight Relaxed Fit Base Layer
$55.00
Best Seller
Hot Chillys men's long sleeve thermal top in black with contrast stitching for cold weather
MENS
Men's Clima-Tek Crewneck
Midweight Relaxed Fit Base Layer
$75.00
Sale
Men's Micro-Elite XT Zip-T - Hot Chillys#color_black-grey
MENS
Men's Micro-Elite XT Zip-T
Heavyweight Active Fit Base Layer
$112.00
Sold Out
Men's Peach Skins Roll T-Neck - Hot Chillys#color_black
MENS
Men's Peach Skins Roll T-Neck
Lightweight Relaxed Fit Base Layer
$60.00
Hot Chillys men's black thermal zip shirt with long sleeves and quarter zip collar
MENS
Men's Clima-Tek Zip-T
Midweight Relaxed Fit Base Layer
$92.00
Front view of man wearing Hot Chillys Peach Skins black quarter-zip pullover and matching pants, arms crossed
MENS
Men's Peach Skins Solid Zip-T
Lightweight Relaxed Fit Base Layer
$66.00
Black long-sleeve shirt on a white background
MENS
Men's MTF4000 Crewneck
Midweight Active Fit Base Layer
$55.00
Sold Out
Hot Chillys men's winter thermal hoodie in black with long sleeves and fitted hood
MENS
Men's Clima-Tek Hoodie
Midweight Relaxed Fit Base Layer
$97.50
Sold Out
Men's Merino Crew#color_black
MENS
Men's Clima-Wool Merino Crew
Midweight Relaxed Fit Base Layer
$120.00
Hot Chillys Men's Crewneck T-Shirt in Heather Blue for Comfortable Everyday Wear
MENS
Men's Clima-Tek Tee
Midweight Relaxed Fit Base Layer
$58.00