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Men's Base Layers

(160 products)

Products (160)

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Colors
Top Rated
REI Co-opMerino 185 Base Layer Bottoms - Men's
$31.83 - $79.95
82 reviews with an average rating of 4.5 out of 5 stars
Sale Ends Dec 4
Colors
REI Co-opMidweight Base Layer Bottoms - Men's
$38.39
Save 30%
compared to $54.95
42 reviews with an average rating of 4.5 out of 5 stars
Colors
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95
117 reviews with an average rating of 4.6 out of 5 stars
Colors
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$115.00
678 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
REI Co-opLightweight Base Layer Half-Zip Top - Men's
$21.83 - $44.95
89 reviews with an average rating of 4.6 out of 5 stars
Colors
Top Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$90.00
295 reviews with an average rating of 4.7 out of 5 stars
REI Outlet
Free CountryMicrotech Heat Base Layer Top - Men's
$31.73
Save 29%
compared to $45.00
0 reviews
Sale Ends Dec 4
Colors
Top Rated
Icebreaker200 Oasis Crew Top - Men's
$78.69
Save 25%
compared to $105.00
872 reviews with an average rating of 4.8 out of 5 stars
Sale Ends Dec 4
Top Rated
Icebreaker260 Tech Base Layer Leggings with Fly - Men's
$93.69
Save 25%
compared to $125.00
198 reviews with an average rating of 4.7 out of 5 stars
Colors
REI Outlet
SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
$66.73
Save 25%
compared to $90.00
0 reviews
Colors
SmartwoolIntraknit Thermal Merino Quarter-Zip Base Layer Top - Men's
$140.00
41 reviews with an average rating of 4.4 out of 5 stars
Colors
Top Rated
SmartwoolIntraknit Thermal Max Quarter-Zip Base Layer Top - Men's
$155.00
57 reviews with an average rating of 4.7 out of 5 stars
Sale Ends Dec 4
Colors
Top Rated
Icebreaker260 Tech Half-Zip Base Layer Top - Men's
$101.19
Save 25%
compared to $135.00
389 reviews with an average rating of 4.7 out of 5 stars
Colors
Top Rated
Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men's
$150.00
52 reviews with an average rating of 4.6 out of 5 stars
Colors
Top Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$79.00
56 reviews with an average rating of 4.6 out of 5 stars
Colors
REI Outlet
CraftCore Warm Base-Layer Set - Men's
$59.73
Save 25%
compared to $79.95
1 reviews with an average rating of 5.0 out of 5 stars
Colors
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$89.95
74 reviews with an average rating of 4.7 out of 5 stars
REI Outlet
Free CountryMicrotech Heat Base Layer Bottoms - Men's
$31.73
Save 29%
compared to $45.00
2 reviews with an average rating of 5.0 out of 5 stars
Colors
REI Outlet
Free CountryForce Grid Fleece Crew Base Layer Top - Men's
$31.73
Save 29%
compared to $45.00
0 reviews
Colors
SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
$130.00
157 reviews with an average rating of 4.4 out of 5 stars
Sale Ends Dec 4
Colors
Top Rated
Icebreaker200 Oasis Half-Zip Base Layer Top - Men's
$86.19
Save 25%
compared to $115.00
303 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
Arc'teryxRho LT Base Layer Hoodie - Men's
$130.00
39 reviews with an average rating of 4.9 out of 5 stars
Colors
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
$89.00
47 reviews with an average rating of 4.4 out of 5 stars
Colors
REI Co-opLightweight Base Layer Long-Sleeve Zip-Neck Top - Men's Tall Sizes
$29.93 - $44.95
10 reviews with an average rating of 4.3 out of 5 stars
Colors
Helly HansenLifa Merino Midweight Crew Base Layer Top - Men's
$100.00
0 reviews
Colors
BurtonMidweight Base Layer Crew Top - Men's
$64.95
0 reviews
Colors
REI Outlet
tasc PerformanceElevation Merino Base Layer Bottoms - Men's
$49.73
Save 37%
compared to $79.00

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REI Co-opMerino 185 Base Layer Bottoms - Men's

REI Co-opMidweight Base Layer Bottoms - Men's

REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's

SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's

REI Co-opLightweight Base Layer Half-Zip Top - Men's

SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's

Free CountryMicrotech Heat Base Layer Top - Men's

Icebreaker200 Oasis Crew Top - Men's

Icebreaker260 Tech Base Layer Leggings with Fly - Men's

SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's

SmartwoolIntraknit Thermal Merino Quarter-Zip Base Layer Top - Men's

SmartwoolIntraknit Thermal Max Quarter-Zip Base Layer Top - Men's

Icebreaker260 Tech Half-Zip Base Layer Top - Men's

Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men's

PatagoniaCapilene Midweight Crew Base Layer Top - Men's

CraftCore Warm Base-Layer Set - Men's

REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's

Free CountryMicrotech Heat Base Layer Bottoms - Men's

Free CountryForce Grid Fleece Crew Base Layer Top - Men's

SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's

Icebreaker200 Oasis Half-Zip Base Layer Top - Men's

Arc'teryxRho LT Base Layer Hoodie - Men's

PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's

REI Co-opLightweight Base Layer Long-Sleeve Zip-Neck Top - Men's Tall Sizes

Helly HansenLifa Merino Midweight Crew Base Layer Top - Men's

BurtonMidweight Base Layer Crew Top - Men's

tasc PerformanceElevation Merino Base Layer Bottoms - Men's