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