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REI Co-op Men's Tops

(52 products)

Products (52)

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REI Co-opActive Pursuits Long-Sleeve Quarter-Zip Pullover - Men's
$49.95
13 reviews with an average rating of 4.2 out of 5 stars
REI Co-opSahara Long-Sleeve Solid Shirt - Men's
$69.95
27 reviews with an average rating of 4.4 out of 5 stars
REI Co-opLogo T-Shirt
$34.95
0 reviews
REI Co-opSahara T-Shirt - Men's
$16.83 - $34.95
71 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opSahara Shade Hoodie - Men's
$49.95
703 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opTrailmade Shirt - Men's
$49.95
103 reviews with an average rating of 4.7 out of 5 stars
Top Rated
REI Co-opActive Pursuits T-Shirt - Men's
$20.93 - $29.95
50 reviews with an average rating of 4.5 out of 5 stars
REI Co-opNature Elements T-Shirt
$34.95
0 reviews
Top Rated
REI Co-opSahara Long-Sleeve T-Shirt - Men's
$27.93 - $39.95
74 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opSwiftland Thermal Running Half-Zip Pullover - Men's
$89.95
19 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$29.83 - $59.95
132 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$54.95
150 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opActive Pursuits Relaxed T-Shirt
$12.83 - $30.93
Save 31% - 71%
compared to $44.95
21 reviews with an average rating of 4.5 out of 5 stars
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$39.95
1 reviews with an average rating of 5.0 out of 5 stars
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$49.83 - $104.95
14 reviews with an average rating of 3.9 out of 5 stars
REI Co-opSahara Long-Sleeve Pattern Shirt - Men's
$79.95
40 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall Sizes
$79.95
8 reviews with an average rating of 4.9 out of 5 stars
Top Rated
REI Co-opSwiftland Running T-Shirt - Men's
$39.95
125 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opSahara Polo Shirt - Men's
$24.83 - $49.95
18 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opActive Pursuits Pullover Midweight Crew
$20.83 - $69.95
14 reviews with an average rating of 4.5 out of 5 stars
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95
170 reviews with an average rating of 4.5 out of 5 stars
REI Co-opSwiftland Thermal Running Crew Pullover - Men's
$79.95
7 reviews with an average rating of 4.3 out of 5 stars
REI Co-opHuman Powered T-Shirt
$34.95
0 reviews
Top Rated
REI Co-op650 Down Vest - Men's
$99.95
105 reviews with an average rating of 4.6 out of 5 stars
REI Co-opLightweight Half-Zip Base Layer Top - Men's
$44.95
1 reviews with an average rating of 5.0 out of 5 stars
REI Co-opActive Pursuits Boxy T-Shirt
$21.83 - $30.93
Save 31% - 51%
compared to $44.95
5 reviews with an average rating of 4.4 out of 5 stars
Top Rated
REI Co-opActive Pursuits Long-Sleeve T-Shirt - Men's
$34.95
52 reviews with an average rating of 4.8 out of 5 stars
Top Rated
REI Co-opSwiftland Half-Zip Running Pullover - Men's
$44.83 - $89.95
62 reviews with an average rating of 4.8 out of 5 stars
Top Rated
REI Co-op'90s Logo Pullover Hoodie
$59.95
9 reviews with an average rating of 5.0 out of 5 stars
Top Rated
REI Co-opLightweight Crew Base Layer Top - Men's
$29.95
5 reviews with an average rating of 4.8 out of 5 stars

1–30 of 52 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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