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Hiking Underwear Mens

(182 products)

Products (182)

Sort: Best Match

StanceBaron Boxer Briefs - Men's
$17.73
Save 29%
compared to $25.00
0 reviews
REI OUTLET
Sale Ends May 26
REI Co-opLightweight Crew Base Layer Top - Men's
$20.89
Save 30%
compared to $29.95
6 reviews with an average rating of 4.3 out of 5 stars
SaxxQuest Boxer Briefs - Men's
$24.73
Save 27%
compared to $34.00
2 reviews with an average rating of 5.0 out of 5 stars
REI OUTLET
Sale Ends May 26
SmartwoolClassic All-Season Merino 3/4 Base Layer Bottoms - Men's
$56.19
Save 25%
compared to $75.00
2 reviews with an average rating of 5.0 out of 5 stars
SaxxDropTemp Cooling Mesh Boxer Briefs - Men's
$38.00
38 reviews with an average rating of 3.9 out of 5 stars
Sale Ends May 26
REI Co-opEveryday Briefs - Men's
$13.89
Save 30%
compared to $19.95
93 reviews with an average rating of 3.5 out of 5 stars
REI Co-opMerino 185 Base Layer Bottoms - Men's
$39.83 - $55.89
Save 30% - 50%
compared to $79.95
124 reviews with an average rating of 4.4 out of 5 stars
Top Rated
Arc'teryxIonia Merino Wool Base Layer Hoody - Men's
$140.00
49 reviews with an average rating of 4.9 out of 5 stars
Top Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$89.00
80 reviews with an average rating of 4.5 out of 5 stars
PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's
$99.00
14 reviews with an average rating of 4.0 out of 5 stars
Arms of Andes300 Lightweight Alpaca Wool Half-Zip Base Layer Top - Men's
$135.00
15 reviews with an average rating of 3.9 out of 5 stars
Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's
$85.00
11 reviews with an average rating of 3.4 out of 5 stars
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
Arms of Andes300 Alpaca Wool Long-Sleeve Crew Base Layer Top - Men's
$130.00
7 reviews with an average rating of 3.6 out of 5 stars
PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's
$109.00
18 reviews with an average rating of 4.0 out of 5 stars
Top Rated
PatagoniaCapilene Midweight Base Layer Bottoms - Men's
$89.00
56 reviews with an average rating of 4.5 out of 5 stars
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
Arms of Andes160 Ultralight Alpaca Wool Crewneck Base Layer T-Shirt - Men's
$75.00
4 reviews with an average rating of 3.5 out of 5 stars
Sale Ends May 26
SmartwoolClassic All-Season Merino T-Shirt - Men's
$59.99
Save 25%
compared to $80.00
54 reviews with an average rating of 4.2 out of 5 stars
Top Rated
SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
$69.83 - $104.99
Save 25% - 50%
compared to $140.00
10 reviews with an average rating of 4.9 out of 5 stars
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
PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's
$99.00
10 reviews with an average rating of 4.3 out of 5 stars
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$49.83 - $73.39
Save 30% - 52%
compared to $104.95
14 reviews with an average rating of 3.9 out of 5 stars
Top Rated
Arc'teryxIonia Merino Wool Base Layer Top - Men's
$90.00
37 reviews with an average rating of 4.6 out of 5 stars
Ortovox230 Competition Zip-Neck Base Layer Top - Men's
$120.00
3 reviews with an average rating of 3.7 out of 5 stars
Sale Ends May 26
Top Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$67.49
Save 25%
compared to $90.00
56 reviews with an average rating of 4.6 out of 5 stars
Arms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's
$105.00
12 reviews with an average rating of 4.3 out of 5 stars
Top Rated
Arc'teryxRho LT Zip-Neck Base Layer Top - Men's
$84.83 - $120.00
90 reviews with an average rating of 4.6 out of 5 stars
Ortovox230 Competition Long-Sleeve Base Layer Top - Men's
$110.00
2 reviews with an average rating of 3.5 out of 5 stars
Sale Ends May 26
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$86.19
Save 25%
compared to $115.00
615 reviews with an average rating of 4.7 out of 5 stars

1–30 of 182 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