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Moisture Wicking Underwear

(353 products)

Products (353)

Sort: Best Match

SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
$95.00
1 reviews with an average rating of 5.0 out of 5 stars
Size Type:
Regular
Kari TraaRose Half-Zip Base Layer Top - Women's
$120.00 - $130.00
30 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$48.73
Save 25%
compared to $65.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
52 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
RONHILLThong Underwear - Women's
$16.73
Save 32%
compared to $24.95
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
0 reviews
Size Type:
Regular
REI OUTLET
Top Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$89.00
79 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SaxxDropTemp Cooling Mesh Boxer Briefs - Men's
$38.00
41 reviews with an average rating of 3.8 out of 5 stars
Size Type:
Regular
SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
$33.83
Save 62%
compared to $90.00
95 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
Top Rated
Icebreaker260 Tech High-Rise Base Layer Leggings - Women's
$125.00
14 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
$140.00
11 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Boody Eco WearBoyleg Briefs - Women's - Package of 2
$22.73
Save 18%
compared to $27.95
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
10 reviews with an average rating of 3.2 out of 5 stars
Size Type:
Regular
REI OUTLET
Top Rated
Arc'teryxRho Hoody Base Layer Top - Women's
$104.93
Save 19%
compared to $130.00
37 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Icebreaker200 Oasis Sonebula Base Layer Leggings - Women's
$89.73
Save 25%
compared to $120.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
1 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Kari TraaAlma Half-Zip Base Layer Top - Women's
$59.73
Save 25%
compared to $80.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
0 reviews
Underwear Weight:
Ultralightweight
Size Type:
Regular
REI OUTLET
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women's
$135.00
25 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
IcebreakerMerino 200 Oasis Thermal Leggings - Women's
$105.00
68 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
SaaltSeamless Leakproof Bikini - Regular Absorbency - Women's
$16.93
Save 50%
compared to $34.00
0 reviews
Size Type:
Plus
IcebreakerMerino 200 Oasis Thermal Base Layer Leggings - Women's
$78.73
Save 25%
compared to $105.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
68 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
REI OUTLET
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Base Layer Crew Top - Kids'
$41.93 - $60.00
8 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's
$85.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular, Big
Kari TraaFloke Base Layer Pants - Women's
$64.73
Save 35%
compared to $100.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
$99.00
61 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
Arc'teryxIonia Merino Wool Base Layer Top - Men's
$90.00
38 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SaxxUltra Super Soft Boxer Briefs - Men's
$25.73
Save 24%
compared to $34.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
3 reviews with an average rating of 4.7 out of 5 stars
Size Type:
Regular, Big
REI OUTLET
SpraywayEffra Crew Base Layer Top - Women's
$36.73
Save 26%
compared to $49.95
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
REI OUTLET
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
$89.73
Save 25%
compared to $120.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Plus
REI OUTLET
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$99.73
Save 26%
compared to $135.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
25 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
REI OUTLET
IcebreakerMerino 200 Oasis Base Layer Leggings - Kids'
$41.93
Save 30%
compared to $60.00
6 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Kari TraaFryd Base Layer Pants - Women's
$44.73
Save 25%
compared to $60.00
Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
14 reviews with an average rating of 3.7 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Arc'teryxLana Merino Wool Crew Base Layer Top - Women's
$90.00
4 reviews with an average rating of 2.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
SmartwoolClassic All-Season Merino 3/4 Base Layer Bottoms - Men's
$75.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big

121–150 of 353 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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