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Moisture Wicking Men's Base Layer Bottoms

(37 products)

Products (37)

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REI Co-opMidweight Base Layer Bottoms - Men's
$54.95
101 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 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-opHeavyweight Merino Base Layer Bottoms - Men's
$49.83 - $99.95
18 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big, Tall
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$125.00
640 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI Co-opMerino 185 Base Layer Bottoms - Men's
$79.95
162 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
tasc PerformanceElevation Merino Base Layer Bottoms - Men's
$34.73 - $54.73
Save 30% - 56%
compared to $79.00
43 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
REI OUTLET
Top Rated
PatagoniaCapilene Midweight Base Layer Bottoms - Men's
$89.00
59 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's
$100.00
28 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men's
$115.00
85 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Mountain HardwearUp First Tech Fleece Base Layer Bottoms - Men's
$74.73
Save 25%
compared to $100.00
3 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
SmartwoolClassic All-Season Merino 3/4 Base Layer Bottoms - Men's
$85.00
4 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's
$99.00
16 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
Arc'teryxRho LT Base Layer Bottoms - Men's
$100.00
59 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
IcebreakerMerino 200 Oasis Base Layer Leggings with Fly - Men's
$120.00
81 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SmartwoolIntraknit AS Merino Base Layer Bottoms - Men's
$125.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
Icebreaker260 Merino Tech Thermal Leggings with Fly - Men's
$140.00
72 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
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
SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's
$150.00
32 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
Icebreaker200 Sonebula Leggings - Men's
$89.73
Save 25%
compared to $120.00
5 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI OUTLET
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
Earn 15% in total rewards

Get 5% on all REI Co-op purchases plus the 10% Co-op Member Reward you earn on eligible full-price purchases.
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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
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:
Big
REI OUTLET
Ortovox185 Rock'N'Wool Short Base Layer Pants - Men's
$100.00 - $110.00
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular, Big
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
REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes
$79.95
17 reviews with an average rating of 3.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall, Big
Top Rated
KUHLReactiv Lite Grid Base Layer Bottoms - Men's
$99.00
5 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Helly HansenLifa Merino Midweight Base Layer Pants - Men's
$69.93
Save 33%
compared to $105.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Big
Ortovox230 Competition Short Base Layer Pants - Men's
$90.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Icebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's
$109.73
Save 26%
compared to $150.00
7 reviews with an average rating of 4.3 out of 5 stars
Size Type:
Big
REI OUTLET
Arc'teryxRho LT Base Layer Bottoms - Men's
$79.73
Save 20%
compared to $100.00
11 reviews with an average rating of 3.9 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Big
REI OUTLET