Men's Underwear
Merino wool underwear? Yes sir! Discover the last pair of boxer briefs you’ll ever own (well, maybe the last style - you may want to grab a few of these to have on rotation!). Our super-soft men’s Smartwool Merino underwear is so comfortable, we think that once you try it, you’ll never go back.
Men's Underwear
Merino is naturally breathable, it manages sweat and even resists odours, making our men’s underwear ideal for wearing to the gym, on the trail, or anywhere you day takes you. The merino-lined elastic waistband and flatlock seams are designed to reduce chafing and amplify comfort.
Check out other men's thermal clothing collections from Smartwool: Men's Wool Clothing | Men's Thermal Base Layers | Men's Tops and T-Shirts | Men's Thermal Shorts and Tights | Men's Thermal Outerwear | Men's Accessories