Hanes Classics Men's Blues Boxer Briefs with Comfort Flex&reg; Waistband 4-Pack, M-Assorted Blues cotton boxer-briefs closure Pure cotton means pure comfort  ALL DAY LONG! From everyday wear to working out, ultra-soft, smooth exposed elastic Comfort Flex waistband moves with you. Leg bands won't ride up, guaranteed. Fully functional fly. Traditional boxer briefs style in hues of blue. Fiber Content: 100% Cotton