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REI Co-op Men's Bottoms

(34 products)

Products (34)

Sort: Best Match

Staff Pick
REI Co-opSahara Convertible Pants - Men's
$89.95
783 reviews with an average rating of 4.2 out of 5 stars
Staff Pick
REI Co-opTrailmade Pants - Men's
$69.95
395 reviews with an average rating of 4.4 out of 5 stars
REI Co-opTrailmade Joggers - Men's
$69.95
180 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opActivator Pants - Men's
$99.95
146 reviews with an average rating of 4.7 out of 5 stars
Top Rated
REI Co-opSwiftland Hybrid Running Pants - Men's
$89.95
87 reviews with an average rating of 4.6 out of 5 stars
REI Co-opActive Pursuits 7" Shorts - Men's
$39.95
2 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opSwiftland 7" Running Shorts - Men's
$29.83
Save 50%
compared to $59.95
161 reviews with an average rating of 4.5 out of 5 stars
REI Co-opSahara Stretch Convertible Pants - Men's
$99.95
12 reviews with an average rating of 4.4 out of 5 stars
Top Rated
REI Co-opTrailmade Fleece Pants - Men's
$59.95
95 reviews with an average rating of 4.6 out of 5 stars
REI Co-opTrailmade Rain Pants - Men's
$69.95
46 reviews with an average rating of 4.3 out of 5 stars
Staff Pick
REI Co-opXeroCloud 3L Rain Pants - Men's
$159.00
6 reviews with an average rating of 4.8 out of 5 stars
REI Co-opSwiftland 5" Running Shorts - Men's
$59.95
2 reviews with an average rating of 5.0 out of 5 stars
Top Rated
REI Co-opActive Pursuits 6" Shorts
$14.83 - $49.95
34 reviews with an average rating of 4.7 out of 5 stars
Top Rated
REI Co-opRainier Rain Pants - Men's
$99.95
31 reviews with an average rating of 4.5 out of 5 stars
REI Co-opActive Pursuits Pants - Men's
$69.95
2 reviews with an average rating of 5.0 out of 5 stars
REI Co-opTrailmade Amphib Shorts - Men's
$49.95
5 reviews with an average rating of 3.8 out of 5 stars
REI Co-opSahara Cargo Shorts - Men's
$59.95
185 reviews with an average rating of 4.5 out of 5 stars
REI Co-opActive Pursuits Midweight Joggers
$39.83 - $79.95
21 reviews with an average rating of 4.2 out of 5 stars
REI Co-opTrailmade Shorts - Men's
$49.95
3 reviews with an average rating of 3.7 out of 5 stars
REI Co-opLogo Sweatpants
$54.95
1 reviews with an average rating of 2.0 out of 5 stars
REI Co-opHalf Dome Convertible Pants
$159.00
0 reviews
REI Co-opSwiftland 9" Running Short Tights - Men's
$54.95
17 reviews with an average rating of 4.4 out of 5 stars
REI Co-opFlash Hyperstretch Fleece Pants - Men's
$89.95
1 reviews with an average rating of 1.0 out of 5 stars
REI Co-opHyperaxis Fleece Pants - Men's
$29.83
Save 70%
compared to $99.95
75 reviews with an average rating of 4.3 out of 5 stars
Top Rated
REI Co-opFlash Stretch Rain Pants - Men's
$34.83
Save 70%
compared to $119.00
30 reviews with an average rating of 4.6 out of 5 stars
REI Co-opActive Pursuits Shorts - Men's 7" Inseam
$21.83
Save 51%
compared to $44.95
337 reviews with an average rating of 4.3 out of 5 stars
REI Co-opFirst Chair GTX Bibs - Men's
$133.83
Save 50%
compared to $269.00
33 reviews with an average rating of 3.8 out of 5 stars
REI Co-opSwiftland Thermal Running Pants - Men's
$65.93
Save 30%
compared to $94.95
13 reviews with an average rating of 4.4 out of 5 stars
Top Rated
REI Co-opSwiftland 7" Running Shorts - Men's
$59.95
6 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opSwiftland Running Tights - Men's
$74.95
25 reviews with an average rating of 4.6 out of 5 stars

1–30 of 34 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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