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Men's Underwear: Deals

(122 products)

Products (122)

Sort: Best Match

StanceOcean Blue Boxer Briefs - Men's
$22.73
Save 24%
compared to $30.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceNavy Mash Wholester Boxer Briefs - Men's
$26.73
Save 23%
compared to $35.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceMelted Candy Wholester Boxer Briefs - Men's
$26.73
Save 23%
compared to $35.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceLucias Floral Boxer Briefs - Men's
$19.73
Save 26%
compared to $27.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceGeo Serape Boxer Briefs - Men's
$22.73
Save 24%
compared to $30.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceFull Moon Boxer Briefs - Men's
$22.73
Save 24%
compared to $30.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceCurren Wholester Boxer Briefs - Men's
$26.73
Save 23%
compared to $35.00
0 reviews
Size Type:
Regular, Big
REI OUTLET
StanceCurren Poly Boxer Briefs - Men's
$18.73
Save 25%
compared to $25.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceCrosshatch Wholester Boxer Briefs - Men's
$26.73
Save 23%
compared to $35.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceCompression Nylon Boxer Briefs - Men's
$29.73
Save 23%
compared to $39.00
0 reviews
Size Type:
Regular
REI OUTLET
StanceCedar Rock Boxer Briefs - Men's
$22.73
Save 24%
compared to $30.00
0 reviews
Size Type:
Regular, Big
REI OUTLET
StanceAlonzo Boxer Briefs - Men's
$19.73
Save 26%
compared to $27.00
0 reviews
Size Type:
Regular
REI OUTLET
Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's
$104.73
Save 30%
compared to $150.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
StanceCurren Boxer Briefs - Men's
$22.73
Save 24%
compared to $30.00
0 reviews
Size Type:
Regular
REI OUTLET
Royal RobbinsReadyDry 4" Boxer Briefs - Men's
$19.73
Save 29%
compared to $28.00
2 reviews with an average rating of 3.0 out of 5 stars
Size Type:
Regular, Big
REI OUTLET
SaxxVolt Breathable Mesh Boxer Briefs - Men's
$26.73
Save 23%
compared to $35.00
5 reviews with an average rating of 3.8 out of 5 stars
Size Type:
Regular, Big
REI OUTLET
SaxxVibe Super Soft Boxer Briefs - Men's
$25.73
Save 24%
compared to $34.00
26 reviews with an average rating of 4.0 out of 5 stars
Size Type:
Regular, Big
REI OUTLET
SaxxUltra Super Soft Boxer Briefs - Men's
$25.73
Save 24%
compared to $34.00
3 reviews with an average rating of 4.7 out of 5 stars
Size Type:
Regular, Big
REI OUTLET
Helly HansenH1 Pro Lifa Seamless Half-Zip Base Layer Top - Men's
$96.73
Save 35%
compared to $150.00
1 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Men's
$66.83
Save 50%
compared to $135.00
0 reviews
Underwear Weight:
Lightweight
Size Type:
Big
Top Rated
Arc'teryxRho LT Crew Neck Base Layer Top - Men's
$59.83 - $100.00
27 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
Arc'teryxRho Merino Wool Crew Neck Base Layer Top - Men's
$84.83 - $120.00
27 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Big, Regular
Arc'teryxRho Merino Wool Base Layer Bottoms - Men's
$96.93
Save 19%
compared to $120.00
4 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Big
Top Rated
Arc'teryxRho Heavyweight Zip-Neck Base Layer Top - Men's
$79.83
Save 46%
compared to $150.00
102 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI Co-opMerino 185 Base Layer Top - Men's
$48.93 - $69.95
52 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opHeavyweight Merino Base Layer Bottoms - Men's
$49.83
Save 50%
compared to $99.95
7 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Big, Tall
REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$49.83 - $99.95
21 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big, Tall
Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's
$98.83
Save 29%
compared to $140.00
10 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Arc'teryxRho LT Base Layer Bottoms - Men's
$70.83 - $100.00
46 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Picture Organic ClothingNangha Base Layer Top - Men's
$44.83
Save 50%
compared to $90.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big

91–120 of 122 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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