loaded 57 results

REI Co-op Base Layers

(57 products)

Products (57)

Showing30results per page
show90results per page

Top Rated
REI Co-opMidweight Base Layer Tights - Women's
$19.83 compared to $49.95
You save 60%
146 reviews with an average rating of 4.7 out of 5 stars
Colors
Top Rated
REI Co-opMerino Midweight Base Layer Top - Kids'
$49.95
12 reviews with an average rating of 4.7 out of 5 stars
REI Co-opLightweight Base Layer Bottoms - Men's
$39.95
36 reviews with an average rating of 4.1 out of 5 stars
Colors

REI Co-opLightweight Crew Long Underwear Top - Infants'/Toddlers'
$19.95
0 reviews
Colors

REI Co-opLightweight Long Underwear Bottoms - Kids'
$29.95
0 reviews
Colors

REI Co-opMerino Midweight Base Layer Bottoms - Kids'
$29.93 - $49.95
2 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opLightweight Long Underwear Bottoms - Infants'/Toddlers'
$19.95
0 reviews
Colors

REI Co-opLightweight Crew Long Underwear Top - Kids'
$29.95
0 reviews
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall Sizes
$79.95
2 reviews with an average rating of 4.5 out of 5 stars
REI Co-opMidweight Base Layer Bottoms - Men's
$24.83 compared to $49.95
You save 50%
97 reviews with an average rating of 4.4 out of 5 stars
REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes
$79.95
3 reviews with an average rating of 3.0 out of 5 stars
REI Co-opSilk Long Underwear Bottoms - Men's
$49.95
90 reviews with an average rating of 4.0 out of 5 stars
Top Rated
REI Co-opMidweight Base Layer Tights - Women's Petite Sizes
$19.83 compared to $49.95
You save 60%
53 reviews with an average rating of 4.7 out of 5 stars
Colors

REI Co-opSilk Bottoms - Women's
$49.95
59 reviews with an average rating of 3.8 out of 5 stars
Colors

REI Co-opSilk V-Neck Shirt - Women's
$49.95
62 reviews with an average rating of 4.2 out of 5 stars
REI Co-opSilk Long Underwear Crew Shirt - Men's
$49.95
52 reviews with an average rating of 4.1 out of 5 stars
REI Co-opMerino Midweight Half-Zip Base Layer Top - Kids'
$54.95
0 reviews
Colors

REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
$39.83 - $79.95
1 reviews with an average rating of 5.0 out of 5 stars
Colors

REI Co-opMerino 185 Base Layer Bottoms - Women's
$79.95
40 reviews with an average rating of 4.2 out of 5 stars
Colors

REI Co-opMerino 185 Base Layer Top - Women's
$69.95
11 reviews with an average rating of 4.2 out of 5 stars
Colors
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$39.93 - $79.95
47 reviews with an average rating of 4.7 out of 5 stars
Colors
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$79.95
60 reviews with an average rating of 4.5 out of 5 stars
Colors
Top Rated
REI Co-opMidweight Base Layer Crew Top - Men's
$24.83 - $24.93 compared to $49.95
You save 50%
214 reviews with an average rating of 4.6 out of 5 stars
Colors
Top Rated
REI Co-opLightweight Base Layer Half-Zip Top - Women's
$44.95
42 reviews with an average rating of 4.7 out of 5 stars
Colors

REI Co-opMidweight Base Layer Half-Zip Top - Women's
$59.95
1 reviews with an average rating of 4.0 out of 5 stars
Colors

REI Co-opLightweight Base Layer Half-Zip Top - Men's
$44.95
55 reviews with an average rating of 4.5 out of 5 stars
Colors

REI Co-opMidweight Long-Sleeve Base Layer - Men's
$54.95
0 reviews
Colors

REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Women's
$39.95
111 reviews with an average rating of 4.2 out of 5 stars
Colors
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Women's
$26.83 compared to $54.95
You save 51%
238 reviews with an average rating of 4.8 out of 5 stars
Colors

REI Co-opLightweight Base Layer Crew Top - Men's
$29.95
49 reviews with an average rating of 4.1 out of 5 stars

Get the latest deals, news, & more from REI Co-op!

REI Co-op Base Layers

REI Co-opMidweight Base Layer Tights - Women's

REI Co-opMerino Midweight Base Layer Top - Kids'

REI Co-opLightweight Base Layer Bottoms - Men's

REI Co-opLightweight Crew Long Underwear Top - Infants'/Toddlers'

REI Co-opLightweight Long Underwear Bottoms - Kids'

REI Co-opMerino Midweight Base Layer Bottoms - Kids'

REI Co-opLightweight Long Underwear Bottoms - Infants'/Toddlers'

REI Co-opLightweight Crew Long Underwear Top - Kids'

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

REI Co-opMidweight Base Layer Bottoms - Men's

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

REI Co-opSilk Long Underwear Bottoms - Men's

REI Co-opMidweight Base Layer Tights - Women's Petite Sizes

REI Co-opSilk Bottoms - Women's

REI Co-opSilk V-Neck Shirt - Women's

REI Co-opSilk Long Underwear Crew Shirt - Men's

REI Co-opMerino Midweight Half-Zip Base Layer Top - Kids'

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

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

REI Co-opMerino 185 Base Layer Top - Women'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-opMidweight Base Layer Crew Top - Men's

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

REI Co-opMidweight Base Layer Half-Zip Top - Women's

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

REI Co-opMidweight Long-Sleeve Base Layer - Men's

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

REI Co-opMidweight Base Layer Half-Zip Top - Women's

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

Related searches

Related searches

Related searches

You can compare up to 4 items at a time.

Filter

Filter by Find in store

Filter by Categories

Filter by Gender

Filter by Underwear Weight

Filter by Fabric Type

Filter by Size Type

Filter by Size

Filter by Features

Filter by Shirt Type

Filter by Color

Filter by Fabric Pattern

Filter by Deals

Filter by Best Use

Filter by Sustainability

Filter by Sleeve Length

Filter by Inseam (in.)

Filter by Rating

Filter by Price

REI Co-opMidweight Base Layer Tights - Women's

REI Co-opMerino Midweight Base Layer Top - Kids'

REI Co-opLightweight Base Layer Bottoms - Men's

REI Co-opLightweight Crew Long Underwear Top - Infants'/Toddlers'

REI Co-opLightweight Long Underwear Bottoms - Kids'

REI Co-opMerino Midweight Base Layer Bottoms - Kids'

REI Co-opLightweight Long Underwear Bottoms - Infants'/Toddlers'

REI Co-opLightweight Crew Long Underwear Top - Kids'

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

REI Co-opMidweight Base Layer Bottoms - Men's

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

REI Co-opSilk Long Underwear Bottoms - Men's

REI Co-opMidweight Base Layer Tights - Women's Petite Sizes

REI Co-opSilk Bottoms - Women's

REI Co-opSilk V-Neck Shirt - Women's

REI Co-opSilk Long Underwear Crew Shirt - Men's

REI Co-opMerino Midweight Half-Zip Base Layer Top - Kids'

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

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

REI Co-opMerino 185 Base Layer Top - Women'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-opMidweight Base Layer Crew Top - Men's

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

REI Co-opMidweight Base Layer Half-Zip Top - Women's

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

REI Co-opMidweight Long-Sleeve Base Layer - Men's

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

REI Co-opMidweight Base Layer Half-Zip Top - Women's

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

Related searches

Related searches

Related searches