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Smartwool Classic Thermal Merino

(28 products)

Products (28)

Sort: Best Match

SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
$120.00
734 reviews with an average rating of 4.5 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$79.93 - $115.00
1151 reviews with an average rating of 4.7 out of 5 stars
Top Rated
SmartwoolThermal Merino Reversible Cuffed Beanie
$35.00
512 reviews with an average rating of 4.6 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$115.00
615 reviews with an average rating of 4.7 out of 5 stars
Staff Pick
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$79.93 - $115.00
1505 reviews with an average rating of 4.7 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
$83.93 - $120.00
25 reviews with an average rating of 4.9 out of 5 stars
SmartwoolThermal Merino Gloves
$25.93 - $38.00
252 reviews with an average rating of 3.7 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men's
$105.00
84 reviews with an average rating of 4.7 out of 5 stars
SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes
$120.00
19 reviews with an average rating of 4.4 out of 5 stars
SmartwoolMerino 250 Balaclava
$45.00
83 reviews with an average rating of 4.2 out of 5 stars
Top Rated
SmartwoolMerino 250 Reversible Headband
$22.00
82 reviews with an average rating of 4.9 out of 5 stars
SmartwoolThermal Merino Long Neck Gaiter
$30.00 - $32.00
13 reviews with an average rating of 4.5 out of 5 stars
SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
$83.93 - $120.00
1 reviews with an average rating of 5.0 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
$83.93 - $120.00
15 reviews with an average rating of 4.9 out of 5 stars
SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'
$44.93
Save 30%
compared to $65.00
4 reviews with an average rating of 3.5 out of 5 stars
SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$44.93
Save 30%
compared to $65.00
0 reviews
SmartwoolClassic Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's
$86.93
Save 30%
compared to $125.00
0 reviews
SmartwoolThermal Merino Base Layer Hoodie - Men's
$145.00
1 reviews with an average rating of 5.0 out of 5 stars
SmartwoolClassic Thermal Merino Colorblock Base Layer Crew Top - Men's
$79.73
Save 30%
compared to $115.00
3 reviews with an average rating of 5.0 out of 5 stars
REI OUTLET
Top Rated
SmartwoolMerino 250 Jogger Bottoms - Women's
$89.73
Save 25%
compared to $120.00
18 reviews with an average rating of 4.5 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$86.73
Save 24%
compared to $115.00
273 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
$48.73
Save 25%
compared to $65.00
52 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'
$48.73
Save 25%
compared to $65.00
4 reviews with an average rating of 3.5 out of 5 stars
REI OUTLET
SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
$86.73
Save 24%
compared to $115.00
245 reviews with an average rating of 4.4 out of 5 stars
REI OUTLET
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$86.73
Save 24%
compared to $115.00
365 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
Top Rated
SmartwoolThermal Merino Reversible Cuffed Beanie
$26.73
Save 23%
compared to $35.00
233 reviews with an average rating of 4.6 out of 5 stars
REI OUTLET
SmartwoolThermal Merino Reversible Cuffed Beanie - Kids'
$17.73
Save 34%
compared to $27.00
0 reviews
REI OUTLET
SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'
$56.73
Save 24%
compared to $75.00
0 reviews
REI OUTLET

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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