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Moisture Wicking Base Layer Tops

(220 products)

Products (220)

Sort: Best Match

Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$54.95
171 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$27.93 - $39.95
22 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big, Tall
Sale Ends Dec 8
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$55.89
Save 30%
compared to $79.95
190 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$59.95
156 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Sale Ends Today
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$86.19
Save 25%
compared to $115.00
1507 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Today
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$67.49
Save 25%
compared to $90.00
67 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$99.95
29 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big, Tall
Sale Ends Dec 8
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$62.89
Save 30%
compared to $89.95
111 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Today
Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
$89.99
Save 25%
compared to $120.00
31 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
tasc PerformanceElevation Merino T-Shirt - Men's
$54.73
Save 30%
compared to $79.00
Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
41 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Big, Regular
REI OUTLET
REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
$54.95
288 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Sale Ends Dec 8
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$78.69
Save 25%
compared to $105.00
167 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$104.95
16 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big, Tall
Top Rated
REI Co-opLightweight Half-Zip Base Layer Top - Men's
$29.93 - $44.95
11 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$86.19 - $115.00
1168 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Sale Ends Today
SmartwoolClassic All-Season Merino T-Shirt - Men's
$59.99
Save 25%
compared to $80.00
90 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Today
SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
$97.49
Save 25%
compared to $130.00
190 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
$67.49 - $90.00
127 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI Co-opMidweight Base Layer Half-Zip Top - Women's
$59.95
168 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
$99.95
31 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
Sale Ends Dec 8
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 Dec 8
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall Sizes
$55.89
Save 30%
compared to $79.95
8 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall
Top Rated
REI Co-opLightweight Crew Base Layer Top - Men's
$19.93 - $29.95
21 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
Arc'teryxRho LT Base Layer Hoody - Men's
$120.00
48 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Dec 8
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$55.89
Save 30%
compared to $79.95
208 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 Crew Top - Kids'
$34.95
6 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 8
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall Sizes
$62.89
Save 30%
compared to $89.95
13 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall, Big
Top Rated
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
$27.93 - $39.95
28 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
$99.73
Save 26%
compared to $135.00
Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
39 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
REI OUTLET
Top Rated
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
$104.95
23 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus

1–30 of 220 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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