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REI Co-op Sun-Protective Fabric Base Layer Tops

(34 products)

Products (34)

Sort: Best Match

REI Co-opLightweight Base Layer Crew Top - Women's
$9.83
Save 67%
compared to $29.95
50 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opLightweight Base Layer Half-Zip Top - Women's
$9.83
Save 78%
compared to $44.95
83 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
REI Co-opMidweight Base Layer Zip-Neck Top - Kids'
$19.83
Save 50%
compared to $39.95
8 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI Co-opLightweight Base Layer Half-Zip Top - Women's Plus Sizes
$9.83
Save 78%
compared to $44.95
7 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus

31–34 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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