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Moisture Wicking Underwear

(336 products)

Products (336)

Sort: Best Match

Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
$105.00 - $120.00
175 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
REI Co-opMerino 185 Base Layer Top - Men's
$69.95
58 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
$125.00
71 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
Top Rated
IcebreakerMerino 200 Oasis Thermal Leggings - Women's
$105.00 - $120.00
81 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
SaxxQuest Quick-Dry Boxer Briefs - Men's
$34.00
0 reviews
Size Type:
Regular, Big
Top Rated
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
$104.95
27 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
Helly HansenGraphic Lifa Merino Base Layer Set - Kids'
$74.73
Save 32%
compared to $110.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 1.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Top Rated
ExOfficioGive-N-Go String Bikini Underwear - Women's
$13.73
Save 23%
compared to $18.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
78 reviews with an average rating of 4.6 out of 5 stars
Size Type:
Regular
REI OUTLET
Top Rated
REI Co-opMerino Midweight Base Layer Crew Top - Kids'
$49.95
31 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$104.95
20 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big, Tall
Icebreaker260 Tech Base Layer Leggings - Women's
$125.00
30 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
Top Rated
Icebreaker260 Merino Tech Thermal Leggings with Fly - Men's
$125.00
68 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's
$89.95
106 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opActive Thong Underwear - Women's
$6.83 - $16.95
24 reviews with an average rating of 4.3 out of 5 stars
Size Type:
Regular, Plus
Boody Eco WearG-String Thong Underwear - Women's - Package of 2
$22.73
Save 18%
compared to $27.95
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
10 reviews with an average rating of 4.4 out of 5 stars
Size Type:
Regular
REI OUTLET
REI Co-opActive Hipster Underwear - Women's
$19.95
38 reviews with an average rating of 3.9 out of 5 stars
Size Type:
Regular, Plus
Top Rated
ColumbiaMidweight Stretch Long-Sleeve Base Layer Top - Women's
$55.00
221 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI Co-opMerino 185 Base Layer Top - Women's
$69.95
59 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
SaxxQuest Quick-Dry Boxer Briefs - Men's - Package of 2
$61.00
0 reviews
Size Type:
Regular, Big
REI Co-opLightweight Base Layer Tights - Women's
$44.95
9 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus, Petite
Top Rated
REI Co-opLightweight Half-Zip Base Layer Top - Women's
$49.95
12 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Top Rated
REI Co-opLightweight Crew Base Layer Top - Women's
$29.95 - $34.95
22 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Top Rated
REI Co-opLightweight Crew Base Layer Top - Men's
$19.93 - $34.95
23 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big, Tall
REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes
$79.95
10 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
StanceGeo Comb Wholester Boxer Briefs - Men's
$24.73
Save 29%
compared to $35.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Size Type:
Regular
REI OUTLET
REI Co-opEveryday Boxers - Men's
$24.95
133 reviews with an average rating of 4.2 out of 5 stars
Size Type:
Regular, Big
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
$79.95
29 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
Top Rated
ExOfficioGive-N-Go 2.0 Boxer Briefs - Men's
$22.73
Save 24%
compared to $30.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
2960 reviews with an average rating of 4.5 out of 5 stars
Size Type:
Regular
REI OUTLET
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall Sizes
$89.95
14 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall
REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes
$79.95
16 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Big, Tall

61–90 of 336 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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