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REI Co-op Men's Tops

(52 products)

Products (52)

Sort: Best Match

Top Rated
REI Co-opSahara Shade Hoodie - Men's
$49.95
783 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$39.93 - $59.95
138 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opSahara Long-Sleeve T-Shirt - Men's
$39.95
99 reviews with an average rating of 4.7 out of 5 stars
REI Co-opSahara T-Shirt - Men's
$34.95
84 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opSwiftland Running T-Shirt - Men's
$27.93 - $39.95
141 reviews with an average rating of 4.7 out of 5 stars
REI Co-opActive Pursuits Long-Sleeve Quarter-Zip Pullover - Men's
$24.83 - $49.95
22 reviews with an average rating of 4.4 out of 5 stars
Top Rated
REI Co-opTrailmade Shirt - Men's
$34.93 - $49.95
121 reviews with an average rating of 4.7 out of 5 stars
Top Rated
REI Co-opActive Pursuits T-Shirt - Men's
$29.95
80 reviews with an average rating of 4.5 out of 5 stars
REI Co-opSunrise T-Shirt
$23.93
Save 31%
compared to $34.95
7 reviews with an average rating of 3.9 out of 5 stars
REI Co-opSahara Long-Sleeve Pattern Shirt - Men's
$79.95
48 reviews with an average rating of 4.4 out of 5 stars
Top Rated
REI Co-opSahara Long-Sleeve Solid Shirt - Men's
$69.95
38 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opSahara Polo Shirt - Men's
$24.83 - $34.93
Save 30% - 50%
compared to $49.95
22 reviews with an average rating of 4.6 out of 5 stars
REI Co-opOpt Outside T-Shirt
$23.93
Save 31%
compared to $34.95
0 reviews
Top Rated
REI Co-opActive Pursuits Relaxed T-Shirt
$30.83 - $30.93
Save 31%
compared to $44.95
27 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$55.93 - $79.95
172 reviews with an average rating of 4.5 out of 5 stars
REI Co-opNature Elements T-Shirt
$23.93
Save 31%
compared to $34.95
1 reviews with an average rating of 4.0 out of 5 stars
REI Co-opSwiftland Thermal Running Crew Pullover - Men's
$39.83 - $79.95
8 reviews with an average rating of 4.4 out of 5 stars
Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$54.95
154 reviews with an average rating of 4.5 out of 5 stars
REI Co-opLightweight Half-Zip Base Layer Top - Men's
$44.95
4 reviews with an average rating of 4.8 out of 5 stars
REI Co-opLogo T-Shirt
$23.93 - $34.95
2 reviews with an average rating of 4.0 out of 5 stars
Top Rated
REI Co-opActive Pursuits Pullover Midweight Crew
$48.93 - $69.95
18 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opSwiftland Thermal Running Half-Zip Pullover - Men's
$44.83 - $89.95
19 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opActive Pursuits Boxy T-Shirt
$21.83
Save 51%
compared to $44.95
7 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opSwiftland Long-Sleeve Running T-Shirt - Men's
$30.93 - $44.95
125 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opActive Pursuits Long-Sleeve T-Shirt - Men's
$34.95
58 reviews with an average rating of 4.8 out of 5 stars
Top Rated
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$39.95
7 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opLightweight Crew Base Layer Top - Men's
$29.95
10 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-op'90s Logo Pullover Hoodie
$41.93
Save 30%
compared to $59.95
13 reviews with an average rating of 4.7 out of 5 stars
REI Co-opSwiftland Grid Running Tank Top - Men's
$39.95
12 reviews with an average rating of 4.1 out of 5 stars
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$62.93 - $89.95
102 reviews with an average rating of 4.6 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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