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REI Co-op Men's Bottoms

(33 products)

Products (33)

Sort: Best Match

REI Co-opSahara Stretch Convertible Pants - Men's
$49.83
Save 50%
compared to $99.95
34 reviews with an average rating of 4.0 out of 5 stars
REI Co-opTrailmade Pants - Men's
$69.95
451 reviews with an average rating of 4.4 out of 5 stars
Sale Ends Sep 1
REI Co-opSahara Convertible Pants - Men's
$62.89
Save 30%
compared to $89.95
872 reviews with an average rating of 4.2 out of 5 stars
Sale Ends Sep 1
Top Rated
REI Co-opActive Pursuits 7" Shorts - Men's
$27.89
Save 30%
compared to $39.95
34 reviews with an average rating of 4.8 out of 5 stars
REI Co-opTrailmade Shorts - Men's
$34.93 - $49.95
136 reviews with an average rating of 4.0 out of 5 stars
Sale Ends Sep 1
REI Co-opSahara Cargo Shorts - Men's
$41.89
Save 30%
compared to $59.95
234 reviews with an average rating of 4.5 out of 5 stars
REI Co-opTrailmade Joggers - Men's
$34.83 - $69.95
211 reviews with an average rating of 4.4 out of 5 stars
Sale Ends Sep 1
REI Co-opRainier Rain Pants - Men's
$69.89
Save 30%
compared to $99.95
45 reviews with an average rating of 4.4 out of 5 stars
REI Co-opTrailmade Rain Pants - Men's
$69.95
64 reviews with an average rating of 4.3 out of 5 stars
REI Co-opTrailmade Amphib Shorts - Men's
$24.83 - $34.93
Save 30% - 50%
compared to $49.95
188 reviews with an average rating of 4.0 out of 5 stars
REI Co-opFirst Chair GTX Bibs - Men's
$79.83 - $269.00
37 reviews with an average rating of 3.9 out of 5 stars
REI Co-opCampwell Workwear Pants - Men's
$79.95
4 reviews with an average rating of 5.0 out of 5 stars
Sale Ends Sep 1
REI Co-opSwiftland 7" Running Shorts - Men's
$41.89
Save 30%
compared to $59.95
17 reviews with an average rating of 4.5 out of 5 stars
Sale Ends Sep 1
Top Rated
REI Co-opActivator Pants - Men's
$69.89
Save 30%
compared to $99.95
158 reviews with an average rating of 4.5 out of 5 stars
Sale Ends Sep 1
Top Rated
REI Co-opSwiftland Hybrid Running Pants - Men's
$62.89
Save 30%
compared to $89.95
92 reviews with an average rating of 4.7 out of 5 stars
Sale Ends Sep 1
REI Co-opSwiftland 5" Running Shorts - Men's
$41.89
Save 30%
compared to $59.95
11 reviews with an average rating of 4.5 out of 5 stars
Top Rated
REI Co-opTrailmade Fleece Pants - Men's
$59.95
97 reviews with an average rating of 4.6 out of 5 stars
Sale Ends Sep 1
REI Co-opActive Pursuits Pants - Men's
$48.89
Save 30%
compared to $69.95
4 reviews with an average rating of 5.0 out of 5 stars
Top Rated
REI Co-opActive Pursuits Midweight Joggers
$23.83 - $55.93
Save 30% - 70%
compared to $79.95
27 reviews with an average rating of 4.5 out of 5 stars
Sale Ends Sep 1
REI Co-opXeroCloud 3L Rain Pants - Men's
$111.29
Save 30%
compared to $159.00
9 reviews with an average rating of 4.4 out of 5 stars
Top Rated
REI Co-opActive Pursuits 6" Shorts
$34.89 - $34.93
Save 30%
compared to $49.95
47 reviews with an average rating of 4.6 out of 5 stars
REI Co-opPowderbound Insulated Snow Pants - Men's
$78.83 - $159.00
91 reviews with an average rating of 4.1 out of 5 stars
Top Rated
REI Co-opSwiftland 5" Running Shorts - Men's
$17.83 - $29.83
Save 50% - 70%
compared to $59.95
125 reviews with an average rating of 4.6 out of 5 stars
Sale Ends Sep 1
REI Co-opSwiftland 9" Running Short Tights - Men's
$38.39
Save 30%
compared to $54.95
18 reviews with an average rating of 4.4 out of 5 stars
REI Co-opHyperaxis Fleece Pants - Men's
$29.83
Save 70%
compared to $99.95
76 reviews with an average rating of 4.3 out of 5 stars
Sale Ends Sep 1
Top Rated
REI Co-opSwiftland Running Tights - Men's
$52.39
Save 30%
compared to $74.95
26 reviews with an average rating of 4.7 out of 5 stars
Top Rated
REI Co-opLogo Sweatpants
$54.95
6 reviews with an average rating of 4.5 out of 5 stars
Sale Ends Sep 1
REI Co-opSwiftland Thermal Running Pants - Men's
$66.39
Save 30%
compared to $94.95
13 reviews with an average rating of 4.4 out of 5 stars
REI Co-opCampwell Pants - Men's
$79.95
0 reviews
Sale Ends Sep 1
REI Co-opFlash Hyperstretch Fleece Pants - Men's
$62.89
Save 30%
compared to $89.95
6 reviews with an average rating of 3.2 out of 5 stars

1–30 of 33 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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