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REI Co-op Men's Tops

(51 products)

Products (51)

Sort: Best Match

Top Rated
REI Co-opSahara Long-Sleeve T-Shirt - Men's
$19.83
Save 50%
compared to $39.95
183 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opActive Pursuits Long-Sleeve T-Shirt - Men's
$16.83 - $39.95
100 reviews with an average rating of 4.8 out of 5 stars
Top Rated
REI Co-opSahara Shade Hoodie - Men's
$34.93 - $59.95
948 reviews with an average rating of 4.6 out of 5 stars
REI Co-opCampwell Flannel Shirt - Men's
$51.93
Save 30%
compared to $74.95
35 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opSwiftland Long-Sleeve Running T-Shirt - Men's
$30.93 - $49.95
148 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$59.95
174 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
185 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opActive Pursuits T-Shirt - Men's
$29.95 - $34.95
162 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opSahara Long-Sleeve Solid Shirt - Men's
$49.93 - $69.95
93 reviews with an average rating of 4.5 out of 5 stars
REI Co-opActive Pursuits Long-Sleeve Quarter-Zip Pullover - Men's
$49.95 - $54.95
42 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opCampwell Henley Shirt - Men's
$24.83 - $34.93
Save 30% - 50%
compared to $49.95
14 reviews with an average rating of 4.5 out of 5 stars
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$19.83 - $44.95
27 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opSwiftland Thermal Running Half-Zip Pullover - Men's
$62.93 - $89.95
27 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opSwiftland Running T-Shirt - Men's
$27.93 - $44.95
163 reviews with an average rating of 4.7 out of 5 stars
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95
215 reviews with an average rating of 4.5 out of 5 stars
REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$99.95
38 reviews with an average rating of 4.4 out of 5 stars
Top Rated
REI Co-opActive Pursuits Midweight Pullover Crew
$48.93 - $79.95
25 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opSwiftland Thermal Running Crew Pullover - Men's
$55.93 - $79.95
14 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-op650 Down Vest - Men's
$99.95
155 reviews with an average rating of 4.5 out of 5 stars
REI Co-opCampwell Fleece Pullover - Men's
$62.93
Save 30%
compared to $89.95
9 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opLogo Crew Sweatshirt
$26.83
Save 51%
compared to $54.95
15 reviews with an average rating of 4.5 out of 5 stars
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$104.95
21 reviews with an average rating of 4.1 out of 5 stars
Top Rated
REI Co-opLightweight Half-Zip Base Layer Top - Men's
$49.95
17 reviews with an average rating of 4.6 out of 5 stars
REI Co-opMountain Star Patch Crew Sweatshirt
$26.83
Save 51%
compared to $54.95
6 reviews with an average rating of 4.2 out of 5 stars
Top Rated
REI Co-opSwiftland Half-Zip Running Pullover - Men's
$62.93
Save 30%
compared to $89.95
67 reviews with an average rating of 4.7 out of 5 stars
REI Co-opREI Logo T-Shirt
$22.73
Save 34%
compared to $34.95
6 reviews with an average rating of 4.0 out of 5 stars
REI OUTLET
REI Co-opSpiral Graphic Pullover Hoodie
$29.83
Save 50%
compared to $59.95
8 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$89.95
120 reviews with an average rating of 4.5 out of 5 stars
REI Co-opSahara Shade T-Shirt - Men's
$39.95
0 reviews
Top Rated
REI Co-opSwiftland Grid Running T-Shirt - Men's
$30.93 - $49.95
15 reviews with an average rating of 4.6 out of 5 stars

1–30 of 51 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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