Remove 1 or more items before adding another item to compare.
How to Choose Base Layers
Choosing the right underwear (base layer) is essential—learn how moisture-wicking materials, fabric weight and fit affect comfort in the outdoors.
Skip to search results
loaded 11 results
Smartwool Men's Base Layer Tops: Deals
(11 products)Products (11)
Sort: Best Match
- Showing 30 results per page
- ColorsREI Outlet
SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
$66.73Save 25%compared to $90.00 - ColorsREI Outlet
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$81.73Save 25%compared to $110.00 - ColorsREI Outlet
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
$85.73Save 25%compared to $115.00 - ColorsREI Outlet
SmartwoolClassic Thermal Merino Patterned Quarter-Zip Base Layer Top - Men's
$85.73Save 25%compared to $115.00 - ColorsREI Outlet
SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
$93.73Save 25%compared to $125.00 - REI Outlet
SmartwoolClassic All Season Merino Quarter-Zip Base Layer Top - Men's
$70.73Save 25%compared to $95.00 - REI Outlet
SmartwoolIntraknit Thermal Merino Patterned Half-Zip Base Layer Hoodie - Men's
$116.73Save 24%compared to $155.00 - REI Outlet
SmartwoolClassic Thermal Merino Pattern Crew Base Layer Top - Men's
$81.73Save 25%compared to $110.00 - REI Outlet
SmartwoolMerino 150 Hoodie - Men's
$74.73Save 25%compared to $100.00 - ColorsREI Outlet
SmartwoolClassic Thermal Merino Plant-Based Dye Logo Crew Base Layer Top - Men's
$81.73Save 25%compared to $110.00 - ColorsREI Outlet
SmartwoolClassic Thermal Merino Base Layer Logo Hoodie - Men's
$104.73Save 25%compared to $140.00
Sort: Best Match