These ergonomic boxer briefs are designed for racing and high-intensity workouts in cold and windy conditions. Wind-protection panels at the crotch block stiff winds while Coolmax® Air Technology enhances cooling and moisture transport, allowing you to compete and exercise unhindered. • Lightweight, flexible channel-knitted fabric that traps air to provide warmth• Elastic wind-protection panels on the front at crotch • Flatlock seams that follow body movements • Excellent body-temperature management• Slim fit • SEAQUAL polyester produced from recycled fishing netsPlease note: Briefs, boxers, undershorts, and underpants are not returnable. SIZE: XS-XXLFABRIC: 40% Polyester SeaQual 39% Polyester "Coolmax" 21% Polyester-recycled, Front body Face: 100% Polyester, Back 100% polyester membrane