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Moisture Wicking Base Layers

(305 products)

Products (305)

Sort: Best Match

Terramar2.0 Thermolator Crew Base Layer Top - Kids'
$24.73
Save 29%
compared to $35.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
$92.73
Save 28%
compared to $130.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
28 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
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
HalfdaysHallie Midweight Merino Base Layer Leggings - Women's
$130.00
25 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
SaxxRoast Master Midweight Long-Sleeve Crew Base Layer Top - Men's
$47.73
Save 36%
compared to $75.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Midweight
Size Type:
Big
REI OUTLET
Top Rated
HalfdaysFay Midweight Merino Base Layer Top - Women's
$130.00
34 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
StioBasis PeakWool Midweight Half-Zip Base Layer Top - Men's
$159.00
5 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Joggers - Women's
$51.73
Save 35%
compared to $80.00
Members use code OUTJAN26 for $20 off when you spend $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
StioBasis PeakWool Midweight Base Layer Tights - Men's
$149.00
3 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Women's
$99.00
9 reviews with an average rating of 3.2 out of 5 stars
Underwear Weight:
Heavyweight
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
Terramar3.0 Thermawool Base Layer Tights - Women's
$52.73
Save 24%
compared to $70.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
3 reviews with an average rating of 1.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Women's
$115.00
36 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
PatagoniaCapilene Thermal Weight Boot-Length Long Underwear Bottoms - Women's
$85.00
6 reviews with an average rating of 3.5 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
Kari TraaSilja 2.0 Base Layer Pants - Women's
$110.00
5 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
Helly HansenLifa Merino Midweight Crew Base Layer Top - Men's
$105.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Kari TraaSmekker Base Layer Pants - Women's
$83.73
Save 30%
compared to $120.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
2 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
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
TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's
$56.73
Save 29%
compared to $80.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
2 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
SmartwoolIntraknit Thermal Merino Base Layer 3/4 Bottoms - Men's
$120.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's
$155.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Kari TraaFierce Base Layer Pants - Women's
$46.73
Save 29%
compared to $66.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
KUHLReactiv Lite Grid Quarter-Zip Base Layer Top - Men's
$119.00
9 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Helly HansenLIFA Merino Midweight Base Layer 3/4 Pants - Women's
$85.00
3 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's
$155.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Kari TraaFierce Long-Sleeve Base Layer Top - Women's
$46.73
Save 29%
compared to $66.00
Members use code OUTJAN26 for $20 off when you spend $100+ at REI Outlet.
1 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 200 Oasis High-Rise Base Layer Leggings - Women's
$115.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Helly HansenLifa Merino Midweight Base Layer Pants - Men's
$105.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men's
$115.00
34 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's
$155.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular

151–180 of 305 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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