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Men's Base Layers

(136 products)

Products (136)

Sort: Best Match

REI Co-opMidweight Base Layer Bottoms - Men's
$54.95
77 reviews with an average rating of 4.4 out of 5 stars
SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's
$90.00
18 reviews with an average rating of 4.1 out of 5 stars
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95
163 reviews with an average rating of 4.5 out of 5 stars
REI Co-opLightweight Base Layer Bottoms - Men's
$39.95
3 reviews with an average rating of 5.0 out of 5 stars
Top Rated
ArtilectBoulder 125 Quarter-Zip Base Layer Top - Men's
$38.83
Save 70%
compared to $130.00
5 reviews with an average rating of 5.0 out of 5 stars
SmartwoolClassic All-Season Merino 3/4 Base Layer Bottoms - Men's
$75.00
2 reviews with an average rating of 5.0 out of 5 stars
Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$37.93 - $54.95
145 reviews with an average rating of 4.5 out of 5 stars
Top Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$89.00
72 reviews with an average rating of 4.5 out of 5 stars
tasc PerformanceElevation Merino T-Shirt - Men's
$54.73
Save 30%
compared to $79.00
35 reviews with an average rating of 4.3 out of 5 stars
REI OUTLET
REI Co-opMerino 185 Base Layer Bottoms - Men's
$55.93 - $79.95
119 reviews with an average rating of 4.4 out of 5 stars
Top Rated
PatagoniaCapilene Midweight Base Layer Bottoms - Men's
$25.83 - $89.00
56 reviews with an average rating of 4.5 out of 5 stars
tasc PerformanceElevation Merino Base Layer Bottoms - Men's
$54.73
Save 30%
compared to $79.00
26 reviews with an average rating of 4.1 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$90.00
50 reviews with an average rating of 4.6 out of 5 stars
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$39.95
0 reviews
Top Rated
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
$99.00
60 reviews with an average rating of 4.6 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$115.00
612 reviews with an average rating of 4.7 out of 5 stars
IcebreakerIcebreaker x Protect Our Winters 200 Oasis Long-Sleeve Crew Base Layer Top - Men's
$33.83
Save 70%
compared to $115.00
0 reviews
IcebreakerIcebreaker x Protect Our Winters 200 Oasis Base Layer Leggings - Men's
$33.83
Save 70%
compared to $115.00
0 reviews
REI Co-opMerino 185 Base Layer Top - Men's
$69.95
50 reviews with an average rating of 4.2 out of 5 stars
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$105.00
107 reviews with an average rating of 4.6 out of 5 stars
ArtilectDarkhorse 185 Zoned Quarter-Zip Base Layer Top - Men's
$116.73
Save 31%
compared to $170.00
0 reviews
REI OUTLET
PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's
$109.00
17 reviews with an average rating of 4.2 out of 5 stars
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$41.93 - $59.95
127 reviews with an average rating of 4.6 out of 5 stars
Top Rated
IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men's
$89.73
Save 25%
compared to $120.00
6 reviews with an average rating of 4.5 out of 5 stars
REI OUTLET
Top Rated
Arc'teryxRho LT Zip-Neck Base Layer Top - Men's
$120.00
89 reviews with an average rating of 4.6 out of 5 stars
ArtilectFlatiron 185 Base Layer Leggings - Men's
$41.83
Save 70%
compared to $140.00
4 reviews with an average rating of 4.3 out of 5 stars
Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's
$104.73
Save 30%
compared to $150.00
0 reviews
REI OUTLET
Top Rated
Arc'teryxRho Heavyweight Base Layer Bottoms - Men's
$96.93
Save 19%
compared to $120.00
60 reviews with an average rating of 4.8 out of 5 stars
Top Rated
Arc'teryxIonia Merino Wool Base Layer Hoody - Men's
$140.00
45 reviews with an average rating of 4.9 out of 5 stars
Arc'teryxRho LT Base Layer Bottoms - Men's
$80.93 - $100.00
44 reviews with an average rating of 4.4 out of 5 stars

1–30 of 136 products

Sort: Best Match

Related Expert Advice articles

What material is best?

Wool is moisture-wicking and odor-resistant, while synthetic fabrics are more durable and less expensive.

Match the temp to the trek

Lightweight layers are best for moderate to cool temperatures. Midweight layers are best for cold temperatures. Heavyweight layers are best for below-freezing temperatures.

Find your fit

To be able to wick sweat efficiently, your next-to-skin layer needs to actually be next to your skin. A comfortably snug fit everywhere is your goal.

Read full article: How to Choose Base Layers

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