loaded 5 results

REI Co-op Short Sleeve Base Layers

(5 products)

Products (5)

Sort: Best Match

Sale Ends Nov 24
Top Rated
REI Co-opLightweight Crew Base Layer Top - Men's
$13.89 - $20.89
Save 30% - 53%
compared to $29.95
21 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Nov 24
REI Co-opMerino 185 Base Layer Top - Men's
$48.89
Save 30%
compared to $69.95
54 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Nov 24
Top Rated
REI Co-opLightweight Crew Base Layer Top - Women's
$13.89 - $20.89
Save 30% - 53%
compared to $29.95
19 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Sale Ends Nov 24
REI Co-opMerino 185 Base Layer Top - Women's
$48.89
Save 30%
compared to $69.95
53 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Sale Ends Nov 24
REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes
$48.89
Save 30%
compared to $69.95
22 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus

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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