Saxx Men's Pro Elite Boxer Brief polyester-blend 97% Polyester, 3% Spandex Saxx comfort side panels made from soft mesh (inside) "tagless" heat transfer, moisture wicking and anti-microbial, seamless pouch interior, mobilon elastic end-leg, 4.25" inseam, 1.25" waistband Wash cold, tumble dry low, no fabric softener China