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Moisture Wicking Underwear

(330 products)

Products (330)

Sort: Best Match

SmartwoolIntraknit AS Merino Base Layer Bottoms - Women's
$125.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
Arc'teryxRho Base Layer Bottoms - Women's
$79.73
Save 20%
compared to $100.00
15 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
Icebreaker150 Anatomica Crewe Base Layer Top - Men's
$75.00
22 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
IcebreakerMerino Base Layer Leggings - Women's
$109.73
Save 45%
compared to $200.00
3 reviews with an average rating of 4.3 out of 5 stars
Size Type:
Regular
REI OUTLET
Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's
$41.83
Save 50%
compared to $85.00
5 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular
IcebreakerMerino 200 Oasis Base Layer Leggings - Women's
$61.83
Save 50%
compared to $125.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Arms of Andes300 Alpaca Wool Long-Sleeve Crew Base Layer Top - Men's
$64.83 - $69.83
Save 50%
compared to $130.00 - $140.00
9 reviews with an average rating of 3.7 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'
$65.00
6 reviews with an average rating of 3.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Kari TraaLucie Base Layer Pants - Women's
$58.73
Save 26%
compared to $80.00
6 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Arms of Andes300 Lightweight Alpaca Wool Half-Zip Base Layer Top - Women's
$56.83 - $66.83
Save 50%
compared to $115.00 - $135.00
10 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
HalfdaysJohnson Base Layer Top - Women's
$46.83
Save 50%
compared to $95.00
137 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular
SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Women's
$115.73
Save 25%
compared to $155.00
0 reviews
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
$84.73
Save 26%
compared to $115.00
279 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's
$114.73
Save 30%
compared to $165.00
2 reviews with an average rating of 5.0 out of 5 stars
Size Type:
Regular
REI OUTLET
HalfdaysSophia Base Layer Leggings - Women's
$46.83 - $95.00
123 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Terramar3.0 Thermawool Base Layer Tights - Women's
$44.73
Save 36%
compared to $70.00
3 reviews with an average rating of 1.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$65.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Arms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's
$56.83
Save 50%
compared to $115.00
16 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Big
SmartwoolIntraknit AS Merino Base Layer Bottoms - Men's
$125.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Arc'teryxLana Merino Wool Base Layer Tank Top - Women's
$80.00
3 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
SmartwoolIntraknit AS Merino Base Layer Crew Top - Men's
$125.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Arc'teryxIonia Merino Wool Base Layer Top - Men's
$90.00
46 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men's
$89.73
Save 25%
compared to $120.00
7 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
StioBasisPeak Wool Midweight Half-Zip Base Layer Top - Women's
$95.40
Add to cart to see price
3 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
Arc'teryxRho LT Base Layer Hoody - Men's
$120.00
97 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Big
Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's
$140.00
Add to cart to see price
12 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SmartwoolIntraknit Active Base Layer Bottoms - Men's
$81.73
Save 25%
compared to $110.00
4 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
New arrival
SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
$96.73
Save 25%
compared to $130.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
$89.73
Save 25%
compared to $120.00
57 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's
$44.83
Save 50%
compared to $90.00
13 reviews with an average rating of 3.6 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular
Arc'teryxLana Merino Wool Crew Base Layer Top - Women's
$90.00
8 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Kari TraaRose Capri High-Waist Base Layer Bottoms - Women's
$110.00
3 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
Wild RyeBassett LITE Raglan Base Layer Top - Women's
$48.83
Save 50%
compared to $99.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
$127.93
Save 20%
compared to $160.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
Icebreaker300 MerinoFine Polar Long-Sleeve Roll-Neck Thermal Base Layer Top - Men's
$220.00
10 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
Kari TraaSmekker Half-Zip Base Layer Top - Women's
$89.73
Save 30%
compared to $130.00
21 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
SpraywayEffra Leggings Base Layer Bottoms - Women's
$29.73
Save 40%
compared to $49.95
1 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 260 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
$147.93
Save 20%
compared to $185.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's
$56.73
Save 29%
compared to $80.00
2 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
New arrival
SmartwoolIntraknit Merino 3/4 Base Layer Bottoms - Women's
$89.73
Save 25%
compared to $120.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Free CountryForce Grid Fleece Base Layer Top - Women's
$34.73
Save 36%
compared to $55.00
7 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI OUTLET
Arc'teryxRho LT Base Layer Bottoms - Men's
$79.73
Save 20%
compared to $100.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Big
REI OUTLET
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Kids'
$49.73
Save 28%
compared to $70.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Ortovox120 Comp Light Short Base Layer Pants - Men's
$70.00
3 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's
$46.83
Save 50%
compared to $95.00
2 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular, Big
Kari TraaRose Light High-Waisted Base Layer Pants - Women's
$81.73
Save 25%
compared to $110.00
3 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$48.73
Save 25%
compared to $65.00
47 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
$89.73
Save 25%
compared to $120.00
70 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Arc'teryxIonia Merino Wool Long-Sleeve Base Layer Top - Men's
$120.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Free CountryForce Grid Fleece Base Layer Bottoms - Women's
$34.73
Save 36%
compared to $55.00
11 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus, Regular
REI OUTLET
Wild RyeBassett LITE Base Layer Leggings - Women's
$43.83
Save 50%
compared to $89.00
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's
$104.73
Save 30%
compared to $150.00
6 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Icebreaker125 ZoneKnit Merino Thermal Leggings - Men's
$93.73
Save 25%
compared to $125.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular
REI OUTLET
Top Rated
Black DiamondSolution 150 Merino Base Layer Crew Top - Women's
$99.73
Save 26%
compared to $135.00
23 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Icebreaker300 MerinoFine Polar Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
$250.00
7 reviews with an average rating of 3.9 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
Kari TraaFryd Base Layer Pants - Women's
$40.73
Save 25% - 32%
compared to $55.00 - $60.00
18 reviews with an average rating of 3.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI OUTLET
Ortovox120 Comp Light Base Layer Hoody - Men's
$120.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
New arrival
SmartwoolClassic Thermal Merino Mock Neck Base Layer Top - Women's
$104.73
Save 25%
compared to $140.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Kari TraaSval Base Layer Pants - Women's
$49.73
Save 28%
compared to $70.00
2 reviews with an average rating of 3.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
SpraywayEffra Hoody Base Layer Top - Women's
$49.73
Save 28%
compared to $69.95
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
KUHLReactiv Lite Grid Base Layer Bottoms - Women's
$48.83
Save 50%
compared to $99.00
3 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
IcebreakerMerino 260 Tech Thermal Base Layer Leggings - Women's
$93.73
Save 25%
compared to $125.00
31 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Plus
REI OUTLET
Ortovox230 Competition Long Base Layer Pants - Men's
$100.00
1 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SpraywayEffra Jacket Base Layer Top - Women's
$42.73
Save 34%
compared to $64.95
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Top Rated
HalfdaysHallie Midweight Merino Base Layer Leggings - Women's
$64.83 - $130.00
30 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Ortovox230 Competition Long-Sleeve Base Layer Top - Men's
$110.00
2 reviews with an average rating of 3.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SpraywayEffra Crew Base Layer Top - Women's
$36.73
Save 26%
compared to $49.95
2 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Turtleneck Base Layer - Men's
$135.00
18 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Arc'teryxRho Merino Wool Base Layer Bottoms - Men's
$120.00
Add to cart to see price
5 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Big
SENIQWool Sculpt Merino Mock-Neck Long-Sleeve Base Layer Shirt - Women's
$99.93 - $128.00
2 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
ArtilectBoulder 125 Crew Long-Sleeve Base Layer Top - Women's
$65.73
Save 45%
compared to $120.00
1 reviews with an average rating of 1.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$84.73
Save 26%
compared to $115.00
317 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
StioBasisPeak Wool Midweight Base Layer Tights - Women's
$149.00
Add to cart to see price
5 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$84.73
Save 26%
compared to $115.00
41 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Plus
REI OUTLET
KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Women's
$53.83
Save 50%
compared to $109.00
3 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Free CountryCloud Knit Base Layer Bottoms - Men's
$26.73
Save 33%
compared to $40.00
3 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Big
REI OUTLET
Free CountryForce Grid Fleece Base Layer Bottoms - Men's
$29.73
Save 33%
compared to $45.00
19 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
REI OUTLET
Sale Ends Today
ArtilectDarkhorse 185 Zoned Quarter-Zip Base Layer Top - Women's
$66.73
Save 60%
compared to $170.00
2 reviews with an average rating of 3.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
SENIQWool Sculpt Merino Base Layer Leggings - Women's
$63.83 - $128.00
0 reviews
Underwear Weight:
Heavyweight
Size Type:
Regular
KUHLReactiv Lite Grid Long-Sleeve Crew Base Layer Top - Men's
$109.00
11 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
HalfdaysFay Midweight Merino Base Layer Top - Women's
$64.83 - $130.00
38 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Helly HansenHH Durawool Crew Long-Sleeve Shirt - Women's
$64.73
Save 28%
compared to $90.00
2 reviews with an average rating of 2.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Men's
$119.00
12 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
SmartwoolClassic Thermal Merino Base Layer Crew One-Piece - Women's
$250.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
IcebreakerMerino 200 Oasis Base Layer Leggings - Kids'
$60.00
7 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
New arrival
Kari TraaAlma Pants - Women's
$68.73
Save 23%
compared to $90.00
0 reviews
Underwear Weight:
Ultralightweight
Size Type:
Regular
REI OUTLET
Wild RyeBassett Base Layer Leggings - Women's
$56.83
Save 50%
compared to $115.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Ortovox185 Rock'N'Wool Short Base Layer Pants - Men's
$100.00 - $110.00
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Helly HansenLIFA Merino Midweight Graphic Base Layer Crew Top - Women's
$54.83 - $115.00
4 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
$92.73
Save 28%
compared to $130.00
30 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET

181–270 of 330 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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