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Lightweight Base Layers

(180 products)

Products (180)

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Colors
Top Rated
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's
$39.95
156 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opLightweight Base Layer Tights - Women's
$39.95
49 reviews with an average rating of 4.5 out of 5 stars
Colors
REI Co-opLightweight Base Layer Bottoms - Men's
$39.95
65 reviews with an average rating of 4.3 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
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$79.95
132 reviews with an average rating of 4.5 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 - Women's
$62.93 - $90.00
271 reviews with an average rating of 4.5 out of 5 stars
Colors
REI Outlet
CraftCore Warm Base-Layer Set - Women's
$59.73
Save 25%
compared to $79.95
2 reviews with an average rating of 4.0 out of 5 stars
Colors
SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
$90.00
71 reviews with an average rating of 4.2 out of 5 stars
Colors
Arc'teryxRho Base Layer Bottoms - Women's
$100.00
15 reviews with an average rating of 4.3 out of 5 stars
Colors
REI Outlet
tasc PerformanceElevation Merino T-Shirt - Women's
$49.73
Save 37%
compared to $79.00
42 reviews with an average rating of 4.6 out of 5 stars
Sale Ends Dec 4
Icebreaker125 ZoneKnit Base Layer Leggings - Women's
$93.69
Save 25%
compared to $125.00
0 reviews
Sale Ends Dec 4
Colors
IcebreakerMerino 200 Sonebula Long-Sleeve Crew Base Layer Top - Women's
$93.69
Save 21%
compared to $120.00
0 reviews
Sale Ends Dec 4
Icebreaker125 ZoneKnit Base Layer Leggings - Men's
$93.69
Save 25%
compared to $125.00
2 reviews with an average rating of 5.0 out of 5 stars
Sale Ends Dec 4
Colors
Icebreaker200 Oasis Long-Sleeve Crewe Glacial Flow Base Layer Top - Men's
$86.19
Save 25%
compared to $115.00
0 reviews
Sale Ends Dec 4
Colors
Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
$93.69
Save 25%
compared to $125.00
0 reviews
Sale Ends Dec 4
Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
$93.69
Save 25%
compared to $125.00
1 reviews with an average rating of 4.0 out of 5 stars
Sale Ends Dec 4
Colors
Top Rated
Icebreaker200 Oasis Long-Sleeve Crewe Ski Tracks Base Layer Top - Women's
$89.99
Save 25%
compared to $120.00
26 reviews with an average rating of 4.8 out of 5 stars
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
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
Colors
REI Co-opMerino 185 Base Layer Bottoms - Women's
$79.95
68 reviews with an average rating of 4.3 out of 5 stars
Colors
Top Rated
SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's
$90.00
100 reviews with an average rating of 4.6 out of 5 stars
Colors
Top Rated
Arc'teryxRho LT Zip-Neck Base Layer Top - Men's
$130.00
73 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
Arc'teryxRho LT Crew Neck Base Layer Top - Men's
$110.00
13 reviews with an average rating of 4.6 out of 5 stars
Colors
SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
$130.00
47 reviews with an average rating of 4.4 out of 5 stars
Colors
SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's
$130.00
66 reviews with an average rating of 4.4 out of 5 stars

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REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's

REI Co-opLightweight Base Layer Tights - Women's

REI Co-opLightweight Base Layer Bottoms - Men's

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

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

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

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

CraftCore Warm Base-Layer Set - Women's

SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's

Arc'teryxRho Base Layer Bottoms - Women's

tasc PerformanceElevation Merino T-Shirt - Women's

Icebreaker125 ZoneKnit Base Layer Leggings - Women's

IcebreakerMerino 200 Sonebula Long-Sleeve Crew Base Layer Top - Women's

Icebreaker125 ZoneKnit Base Layer Leggings - Men's

Icebreaker200 Oasis Long-Sleeve Crewe Glacial Flow Base Layer Top - Men's

Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's

Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's

Icebreaker200 Oasis Long-Sleeve Crewe Ski Tracks Base Layer Top - Women's

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

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

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

SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's

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

Arc'teryxRho LT Crew Neck Base Layer Top - Men's

SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's

SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's