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Shop men's lightweight base layers in breathable merino and synthetic knits, crew and half-zip tops, leggings and sets, built for running, skiing, and layering.
Shop men's lightweight base layers in breathable merino and synthetic knits, crew and half-zip tops, leggings and sets, built for running, skiing, and layering.
Men’s Base Layer Tops (Lightweight)
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30+ stores, 30+ brands, 100+ products
Tracksmith
Brighton Base Layer
$100
Icebreaker
Men's Merino Blend 75 Cool-Lite14 Featherlight14 Short Sleeve Crewe
$110
Outdoor Research
Men's Alpine Onset Merino 150 Crew
$99
+1
Filson
210g Merino Wool Short Sleeve Crewneck T-Shirt - Dark Olive
$66.50
Duckworth
Men's Vapor Long Sleeve Crew
$68
?
+2
Smartwool
Men's Classic All-Season Merino Base Layer Crew
$100
+6
Oakley
Spruce Wool LS Base Layer
$80.50
Quince
4.9 (558)100% Merino Wool All-Season Long Sleeve Base Layer Tee
$46
Men’s Base Layer Leggings (Lightweight)
50+ stores, 70+ brands, 100+ productsIcebreaker
Men's Merino 200 Oasis Thermal Leggings wFly
$105
The North Face
4.5 (10)TNF X Smartwool Men’s Merino Blend 150 Bottoms
$90
Columbia
4.5 (104)Men's Omni-Heat Infinity Baselayer Tights
$39
Ten Thousand
3/4 Tight
$118
Outdoor Research
Men's Alpine Onset Merino 150 Bottoms
$99
+1
Under Armour
5.0 (3)HeatGear® Elite Men's Leggings
$55
Backcountry
5.0 (1)120 Comp Light Short Pant - Men's
$90
Vuori
Duration Train Tight | Black
$31.97
Men’s Base Layer Sets
20+ stores, 40+ brands, 100+ productsTracksmith
Brighton Base Layer
$100
Icebreaker
Men's Merino 175 Everyday Long Sleeve Crewe
$95
RUDSAK
FRANC - 6524541 Iceland
$245
Oakley
Spruce Wool LS Base Layer
$80.50
Smartwool
Men's Intraknit™ All-Season Merino Base Layer Crew
$125
Outdoor Research
Men's Alpine Onset Merino 150 Crew
$99
+1
Quince
4.9 (558)100% Merino Wool All-Season Long Sleeve Base Layer Tee
$46
Backcountry
Classic All-Season Merino 1/4-Zip Baselayer Top - Men's
$105
Here are lightweight men’s base layer options across tops (crew + half/quarter-zip), leggings, and top+bottom sets—focused on breathable merino and performance synthetics for running, skiing, and layering.
Material preference?
100% Merino
Merino Blend
Synthetic (poly/nylon)
Top style?
Crew
Half-Zip / Quarter-Zip
Primary use?
Running
Skiing/Snow Sports
Everyday Layering
SuggestionsShow me more half-zip/quarter-zip tops
Focus on merino blends that dry fast and don’t itch
I want the lightest-weight options for high-output running
I need warmer options for skiing (still breathable)
Just show me the best value picks
