Bellwether Men's Implant Shorts Outer--main:100% Polyester insert: 96%Nylon 4% spandex inner--92% Poly, 8% Spandex Imported Colors: Black, Military X-Alt durable water repellent outer shell; TechMesh removable inner short with the chamois Two pockets with locking zippers; Stretchable back panel, adjustable waistband and hidden front panel zippers regulate airflow; Gusseted seat design Chamois:Contour Sizes:30in  40in Colors: Black, Military