Smartwool Merino Wool Men's Underwear
(25 products)- SmartwoolMerino Print Boxer Briefs - Men's$34.73Save 27%compared to  $48.00Size Type:Regular, BigREI OUTLET
- SmartwoolActive Boxer Briefs - Men's$24.73Save 29%compared to  $35.00Size Type:Regular, BigREI OUTLET
- SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men'sTop Rated$66.93 - $100.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Crew Base Layer Top - Men'sTop Rated$125.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Base Layer Bottoms - Men'sTop Rated$125.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men'sTop Rated$130.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino T-Shirt - Men's$95.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's$100.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolMerino Boxer Briefs Boxed - Men'sNew arrival$34.73Save 27%compared to  $48.00Size Type:Regular, BigREI OUTLET
- SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men'sTop Rated$105.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men'sTop Rated$115.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's$150.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolClassic All-Season Merino 3/4 Base Layer Bottoms - Men's$85.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's$140.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit AS Merino Base Layer Bottoms - Men's$125.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$150.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's$92.73Save 28%compared to  $130.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- SmartwoolIntraknit AS Merino Base Layer Crew Top - Men's$125.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Thermal Merino Base Layer Colorblock Crew - Men's$96.73Save 25%compared to  $130.00Save an extra 25% off select styles at REI Outlet, thru 3/2.Underwear Weight:MidweightSize Type:BigREI OUTLET
- SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men's$180.00Underwear Weight:MidweightSize Type:Regular
Get $130 in value
$30 in card rewards are yours when approved for the REI Co-op Mastercard by Mar 9. Plus, you can earn a $100 REI gift card after your first purchase. Terms apply.
Apply now- SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's$130.00Underwear Weight:LightweightSize Type:Regular, Big
- SmartwoolEveryday 6" Knit Boxer Briefs - Men's$35.73Save 25%compared to  $48.00Size Type:RegularREI OUTLET
- SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's$155.00Underwear Weight:MidweightSize Type:Regular, Big
- SmartwoolIntraknit Active Base Layer Bottoms - Men's$81.73Save 25%compared to  $110.00Save an extra 25% off select styles at REI Outlet, thru 3/2.Underwear Weight:MidweightSize Type:BigREI OUTLET
- SmartwoolWind Boxer Briefs - Men'sNew arrival$44.73Save 25%compared to  $60.00Size Type:Regular, BigREI OUTLET













































































