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Smartwool Classic Thermal Merino

(23 products)

Products (23)

Sort: Best Match

Top Rated
SmartwoolThermal Merino Reversible Cuffed Beanie
$35.00
507 reviews with an average rating of 4.6 out of 5 stars
SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
$56.83 - $120.00
728 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
1146 reviews with an average rating of 4.7 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$115.00
613 reviews with an average rating of 4.7 out of 5 stars
SmartwoolThermal Merino Gloves
$38.00
247 reviews with an average rating of 3.7 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
$83.93 - $120.00
24 reviews with an average rating of 4.9 out of 5 stars
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$79.93 - $115.00
1503 reviews with an average rating of 4.7 out of 5 stars
SmartwoolThermal Merino Reversible Cuffed Beanie - Kids'
$17.73
Save 34%
compared to $27.00
0 reviews
REI OUTLET
Top Rated
SmartwoolMerino 250 Reversible Headband
$22.00
79 reviews with an average rating of 4.9 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
SmartwoolThermal Merino Long Neck Gaiter
$30.00 - $32.00
13 reviews with an average rating of 4.5 out of 5 stars
SmartwoolMerino 250 Balaclava
$45.00
82 reviews with an average rating of 4.2 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
11 reviews with an average rating of 4.8 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 - Kids'
$44.93
Save 30%
compared to $65.00
0 reviews
SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
$86.73
Save 24%
compared to $115.00
239 reviews with an average rating of 4.4 out of 5 stars
REI OUTLET
SmartwoolThermal Merino Base Layer Hoodie - Men's
$145.00
1 reviews with an average rating of 5.0 out of 5 stars
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
270 reviews with an average rating of 4.7 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
360 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
46 reviews with an average rating of 4.7 out of 5 stars
REI OUTLET
SmartwoolThermal Merino Reversible Cuffed Beanie
$26.73
Save 23%
compared to $35.00
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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