Smartwool Active Boxer Brief – Men's Color:Purple Storm Heather Waffle-knit fabric traps warmth while

Waffle-knit fabric traps warmth while staying breathable — no sweaty

and winter training blocks

the Fresh Foam X 1080v12 is our top pick for women who need serious cushioning without sacrificing a responsive feel

Terry loop interior adds cushioning where your hands need it most

and built for warm-weather comfort

Smartwool Active Boxer Brief – Men's Color:Purple Storm Heather Waffle-knit fabric traps warmth whileBuilt for hard days on the trail or long runs in Southern heat, this is the boxer brief we point serious athletes toward when they need base layer that actually handles sweat. The merino poly blend wicks fast and kills odor naturally, while flatlock seams and a double front panel keep things comfortable and supported mile after mile. 56% Merino Wool 44% Recycled Polyester main body merino handles odor and temperature regulation, recycled poly adds