S-XL - 100% cotton jersey, 6.3 oz. gym shorts with 6" inseam, elastic waistband with drawstring, double-needle stitching throughout and "C" logo on left hip. These gym shorts are great for jogging, exercise, sports and other physically demanding activities. Look sharp, play hard and feel great. Silver Grey is 99% cotton, 1% polyester; Oxford Grey is 90% cotton, 10% polyester.