Polyester,Spandex Zipper closure Machine Wash Men's gym running shorts is made with 95% polyester 5% spandex, lightweight ,quick-dry fabric. Basketball shorts: Lightweight and quick-dry fabric wicks sweat away and dry really fast, built-in mesh briefs provide a supportive,breathable. Side mesh panels with litter holes ensure you get extra ventilation. Deep side pockets and zip pocket on the central back for convenience. 7" Workout Shorts perfect for workout, gym, running, fitness, training, basketball, jogging, exercise, cycling or other outdoor activities etc. Hand wsh or machine, line dry quickly.