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Men's Base Layers: Deals

(100 products)

Products (100)

Sort: Best Match

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
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
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
Sale Ends May 22
Top Rated
IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
$86.73
Save 35%
compared to $135.00
10 reviews with an average rating of 4.8 out of 5 stars
REI OUTLET
Sale Ends May 22
Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's
$73.73
Save 35%
compared to $115.00
4 reviews with an average rating of 4.3 out of 5 stars
REI OUTLET
Sale Ends May 22
Top Rated
IcebreakerMerino 260 Tech Long Sleeve Crewe Base Layer Top - Men's
$109.73
Save 33%
compared to $165.00
5 reviews with an average rating of 4.6 out of 5 stars
REI OUTLET
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
Sale Ends May 26
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$55.89
Save 30%
compared to $79.95
172 reviews with an average rating of 4.5 out of 5 stars
Sale Ends May 26
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$27.89
Save 30%
compared to $39.95
1 reviews with an average rating of 5.0 out of 5 stars
Sale Ends May 26
Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$38.39
Save 30%
compared to $54.95
150 reviews with an average rating of 4.5 out of 5 stars
Sale Ends May 26
REI Co-opMidweight Base Layer Bottoms - Men's
$38.39
Save 30%
compared to $54.95
77 reviews with an average rating of 4.4 out of 5 stars
Free CountryMicrotech Heat Base Layer Top - Men's
$28.73
Save 36%
compared to $45.00
0 reviews
REI OUTLET
Sale Ends May 26
SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's
$71.19
Save 25%
compared to $95.00
1 reviews with an average rating of 5.0 out of 5 stars
Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Men's
$104.73
Save 30%
compared to $150.00
0 reviews
REI OUTLET
Sale Ends May 26
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$62.89
Save 30%
compared to $89.95
103 reviews with an average rating of 4.6 out of 5 stars
Sale Ends May 26
SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's
$67.49
Save 25%
compared to $90.00
18 reviews with an average rating of 4.1 out of 5 stars
Sale Ends May 26
REI Co-opLightweight Half-Zip Base Layer Top - Men's
$31.39
Save 30%
compared to $44.95
1 reviews with an average rating of 5.0 out of 5 stars
Sale Ends May 26
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$78.69
Save 25%
compared to $105.00
122 reviews with an average rating of 4.7 out of 5 stars
Sale Ends May 26
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$86.19
Save 25%
compared to $115.00
1505 reviews with an average rating of 4.7 out of 5 stars
Sale Ends May 26
Top Rated
SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men's
$78.69
Save 25%
compared to $105.00
84 reviews with an average rating of 4.7 out of 5 stars
Sale Ends May 26
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
$93.69
Save 25%
compared to $125.00
58 reviews with an average rating of 4.7 out of 5 stars
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
Sale Ends May 26
Top Rated
Icebreaker260 Merino Tech Thermal Leggings with Fly - Men's
$93.69
Save 25%
compared to $125.00
51 reviews with an average rating of 4.6 out of 5 stars
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
Top Rated
Arc'teryxRho Insulated 3/4 Base Layer Bottoms - Men's
$159.73
Save 20%
compared to $200.00
12 reviews with an average rating of 4.6 out of 5 stars
REI OUTLET
Sale Ends May 26
Icebreaker200 Oasis Crewe Base Layer Top - Men's
$71.19
Save 25%
compared to $95.00
28 reviews with an average rating of 4.5 out of 5 stars
Sale Ends May 26
Top Rated
REI Co-opLightweight Base Layer Bottoms - Men's
$27.89
Save 30%
compared to $39.95
6 reviews with an average rating of 5.0 out of 5 stars
Sale Ends May 26
Icebreaker125 ZoneKnit Base Layer Leggings - Men's
$93.69
Save 25%
compared to $125.00
0 reviews
Sale Ends May 26
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's
$101.19
Save 25%
compared to $135.00
34 reviews with an average rating of 4.5 out of 5 stars
Sale Ends May 26
Top Rated
IcebreakerMerino 200 Oasis Base Layer Leggings with Fly - Men's
$78.69
Save 25%
compared to $105.00
52 reviews with an average rating of 4.7 out of 5 stars

1–30 of 100 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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