FABRIC: Cotton Fetureas: 1. Comfortable Widen Waistband. 2. Printing,Breathable, U Convex Pouch. Item Type: Boxer Material: Cotton Bottom Crotch Lining: Cotton Waist Type: Mid Waist Design Features: U Convex Pouch Season: Spring, Summer, Autumn, Winter Color: 1# US Size: M, L, XL,2XL Package included: 4*Underwears 2.The size of these items are smaller than ordinary, we suggest buying a bigger one size.