Base Layer Tops
(1)
Smartwool Midweight Crew
$33 -
$115
(1)
Smartwool Intraknit Merino 250 Thermal 1/4 Zip
$90 -
$154
(1)
Smartwool Midweight Funnel Zip
$100
MSRP
(1)
Smartwool Midweight Hoody
$110
MSRP
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Other Types of Base Layers and Underwear
Find more base layers and underwear reviewed in these related categories: