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Moisture Wicking Underwear

(326 products)

Products (326)

Sort: Best Match

REI Co-opMerino Boxer Briefs - Men's
$39.95
116 reviews with an average rating of 4.2 out of 5 stars
Size Type:
Regular, Big
REI Co-opMerino Hipster Underwear - Women's
$29.95
59 reviews with an average rating of 3.9 out of 5 stars
Size Type:
Regular, Plus
REI Co-opEveryday Boxers - Men's
$24.95
137 reviews with an average rating of 4.2 out of 5 stars
Size Type:
Regular, Big
SaxxQuest Quick-Dry Boxer Briefs - Men's
$34.00
2 reviews with an average rating of 4.5 out of 5 stars
Size Type:
Regular, Big
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$44.83 - $89.95
130 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
REI Co-opMerino Bikini Underwear - Women's
$27.95
60 reviews with an average rating of 4.1 out of 5 stars
Size Type:
Regular, Plus
REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$49.83 - $99.95
45 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
REI Co-opEveryday Boxer Briefs - Men's
$24.95
161 reviews with an average rating of 4.1 out of 5 stars
Size Type:
Regular, Big
REI Co-opMerino Boxers - Men's
$39.95
82 reviews with an average rating of 4.3 out of 5 stars
Size Type:
Regular, Big
REI Co-opActive Thong Underwear - Women's
$2.83 - $16.95
28 reviews with an average rating of 4.4 out of 5 stars
Size Type:
Regular, Plus
REI Co-opActive Briefs - Women's
$19.95
43 reviews with an average rating of 4.1 out of 5 stars
Size Type:
Regular, Plus
REI Co-opActive Hipster Underwear - Women's
$19.95
42 reviews with an average rating of 3.8 out of 5 stars
Size Type:
Regular, Plus
ExOfficioGive-N-Go 2.0 Sport Mesh Thong Underwear - Women's
$16.73
Save 30%
compared to $24.00
140 reviews with an average rating of 3.9 out of 5 stars
Size Type:
Regular
REI OUTLET
SaxxQuest Quick-Dry Boxer Briefs - Men's - Package of 2
$61.00
2 reviews with an average rating of 5.0 out of 5 stars
Size Type:
Regular, Big
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$49.83 - $104.95
28 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big, Tall
SmartwoolMerino Boxer Briefs - Boxed - Men's
$50.00
1 reviews with an average rating of 3.0 out of 5 stars
Size Type:
Regular, Big
REI Co-opMidweight Base Layer Half-Zip Top - Women's
$59.95
195 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$29.83 - $59.95
192 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Top Rated
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
$44.95
37 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI Co-opActive Bikini Underwear - Women's
$19.95
56 reviews with an average rating of 3.4 out of 5 stars
Size Type:
Regular, Plus
REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
$49.83 - $99.95
34 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
Top Rated
REI Co-opLightweight Base Layer Bottoms - Men's
$44.95
27 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big, Tall
Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$26.83 - $54.95
209 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Top Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$53.83 - $100.00
105 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
REI Co-opMerino 185 Base Layer Top - Men's
$69.95
60 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
REI Co-opMidweight Base Layer Bottoms - Men's
$54.95
104 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Top Rated
REI Co-opLightweight Crew Base Layer Top - Women's
$34.95
28 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Top Rated
REI Co-opLightweight Base Layer Tights - Women's
$44.95
11 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus, Petite
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$125.00
646 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SaxxVolt Breathable Mesh Boxer Briefs - Men's
$26.73
Save 23%
compared to $35.00
11 reviews with an average rating of 4.5 out of 5 stars
Size Type:
Regular
REI OUTLET

1–30 of 326 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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