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Base Layers

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Top Rated
Icebreaker260 Tech Base Layer Leggings with Fly - Men's

$125.00
186 reviews with an average rating of 4.7 out of 5 stars
Colors

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

$50.93
Save 40%
compared to $85.00
You save 40%

45 reviews with an average rating of 4.1 out of 5 stars
SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men's

$100.00
7 reviews with an average rating of 4.4 out of 5 stars
Colors
Top Rated
REI Co-opMerino Midweight Base Layer Bottoms - Kids'

$49.95
5 reviews with an average rating of 5.0 out of 5 stars
Colors
Top Rated
REI Co-opMerino Midweight Base Layer Top - Kids'

$49.95
15 reviews with an average rating of 4.7 out of 5 stars
REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes

$79.95
8 reviews with an average rating of 3.6 out of 5 stars
New arrival
SmartwoolIntraknit Active Base Layer Bottoms - Women's

$110.00
0 reviews
Arc'teryxRho LT Base Layer Bottoms - Men's

$89.00
25 reviews with an average rating of 4.4 out of 5 stars
REI Co-opLightweight Base Layer Bottoms - Men's Tall Sizes

$39.95
11 reviews with an average rating of 3.7 out of 5 stars
Colors
Top Rated
Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

$41.93
Save 30%
compared to $60.00
You save 30%

116 reviews with an average rating of 4.8 out of 5 stars
PatagoniaCapilene Midweight Base Layer Bottoms - Infants'

$16.93
Save 41%
compared to $29.00
You save 41%

0 reviews
SmartwoolClassic Thermal Merino Base Layer Half-Zip Hoodie - Women's

$140.00
0 reviews
SmartwoolIntraknit Thermal Merino Half-Zip Base Layer Hoodie - Men's

$155.00
3 reviews with an average rating of 3.7 out of 5 stars
New arrival
Ortovox230 Competition Short Base Layer Pants - Men's

$100.00
0 reviews
New arrival
SmartwoolMerino 150 Lace Base Layer Bottoms - Women's

$90.00
0 reviews
Arc'teryxRho Heavyweight Base Layer Bottoms - Women's

$130.00
12 reviews with an average rating of 3.9 out of 5 stars
Colors
Top Rated
SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's

$125.00
6 reviews with an average rating of 4.7 out of 5 stars
Helly HansenLIFA Merino Midweight Graphic Base Layer Pants - Women's

$110.00
1 reviews with an average rating of 1.0 out of 5 stars
Kari TraaRose High-Waist Base Layer Pants - Women's

$110.00
8 reviews with an average rating of 4.4 out of 5 stars
Helly HansenLifa Merino Midweight Base Layer Half-Zip Top - Women's

$110.00
0 reviews
Top Rated
SmartwoolMerino 250 Base Layer Crew Top - Women's Plus Sizes

$110.00
6 reviews with an average rating of 5.0 out of 5 stars
Colors

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

$100.00
0 reviews
Top Rated
Icebreaker200 Oasis Base Layer Shorts - Women's

$75.00
13 reviews with an average rating of 4.7 out of 5 stars
Colors

CraftCore Dry Active Comfort Base Layer Pants - Men's

$55.00
0 reviews
Colors

SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's
$74.93 - $125.00

8 reviews with an average rating of 4.4 out of 5 stars
New arrival
Arc'teryxRho Lightweight Base Layer Bottoms - Women's

$100.00
0 reviews
Colors
Top Rated
Icebreaker200 Oasis Base Layer Leggings - Kids'

$41.93
Save 30%
compared to $60.00
You save 30%

68 reviews with an average rating of 4.8 out of 5 stars
Colors

ObermeyerClara Quarter-Zip Base Layer Top - Girls'

$79.50
0 reviews
Top Rated
IcebreakerMerino 260 Tech High Rise Base Layer Leggings - Women's

$130.00
29 reviews with an average rating of 4.6 out of 5 stars
New arrival
Kari TraaLam Base Layer Pants - Women's

$80.00
0 reviews

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Base Layers

Icebreaker260 Tech Base Layer Leggings with Fly - Men's

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

SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men's

REI Co-opMerino Midweight Base Layer Bottoms - Kids'

REI Co-opMerino Midweight Base Layer Top - Kids'

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

SmartwoolIntraknit Active Base Layer Bottoms - Women's

Arc'teryxRho LT Base Layer Bottoms - Men's

REI Co-opLightweight Base Layer Bottoms - Men's Tall Sizes

Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

PatagoniaCapilene Midweight Base Layer Bottoms - Infants'

SmartwoolClassic Thermal Merino Base Layer Half-Zip Hoodie - Women's

SmartwoolIntraknit Thermal Merino Half-Zip Base Layer Hoodie - Men's

Ortovox230 Competition Short Base Layer Pants - Men's

SmartwoolMerino 150 Lace Base Layer Bottoms - Women's

Arc'teryxRho Heavyweight Base Layer Bottoms - Women's

SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's

Helly HansenLIFA Merino Midweight Graphic Base Layer Pants - Women's

Kari TraaRose High-Waist Base Layer Pants - Women's

Helly HansenLifa Merino Midweight Base Layer Half-Zip Top - Women's

SmartwoolMerino 250 Base Layer Crew Top - Women's Plus Sizes

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

Icebreaker200 Oasis Base Layer Shorts - Women's

CraftCore Dry Active Comfort Base Layer Pants - Men's

SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's

Arc'teryxRho Lightweight Base Layer Bottoms - Women's

Icebreaker200 Oasis Base Layer Leggings - Kids'

ObermeyerClara Quarter-Zip Base Layer Top - Girls'

IcebreakerMerino 260 Tech High Rise Base Layer Leggings - Women's

Kari TraaLam Base Layer Pants - Women's

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Icebreaker260 Tech Base Layer Leggings with Fly - Men's

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

SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men's

REI Co-opMerino Midweight Base Layer Bottoms - Kids'

REI Co-opMerino Midweight Base Layer Top - Kids'

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

SmartwoolIntraknit Active Base Layer Bottoms - Women's

Arc'teryxRho LT Base Layer Bottoms - Men's

REI Co-opLightweight Base Layer Bottoms - Men's Tall Sizes

Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'

PatagoniaCapilene Midweight Base Layer Bottoms - Infants'

SmartwoolClassic Thermal Merino Base Layer Half-Zip Hoodie - Women's

SmartwoolIntraknit Thermal Merino Half-Zip Base Layer Hoodie - Men's

Ortovox230 Competition Short Base Layer Pants - Men's

SmartwoolMerino 150 Lace Base Layer Bottoms - Women's

Arc'teryxRho Heavyweight Base Layer Bottoms - Women's

SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's

Helly HansenLIFA Merino Midweight Graphic Base Layer Pants - Women's

Kari TraaRose High-Waist Base Layer Pants - Women's

Helly HansenLifa Merino Midweight Base Layer Half-Zip Top - Women's

SmartwoolMerino 250 Base Layer Crew Top - Women's Plus Sizes

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

Icebreaker200 Oasis Base Layer Shorts - Women's

CraftCore Dry Active Comfort Base Layer Pants - Men's

SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's

Arc'teryxRho Lightweight Base Layer Bottoms - Women's

Icebreaker200 Oasis Base Layer Leggings - Kids'

ObermeyerClara Quarter-Zip Base Layer Top - Girls'

IcebreakerMerino 260 Tech High Rise Base Layer Leggings - Women's

Kari TraaLam Base Layer Pants - Women's

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