Hanes Classic Men's Tagless Boxer with Comfort Flex Waistband 4-Pack 55% Cotton / 45% Polyester Pull On closure Machine Washable Soft, stretchable Comfort Flex waistband moves with you and keeps its shape wash after wash. Assorted plaids and colors vary by package 55% Cotton / 45% Polyester S: 28-30", M: 32-34", L: 36-38", XL: 40-42", 2X: 44-46"