Material: 90% Polyester 10% Spandex; Liner: 88.5% Polyester 11.5% Spandex,4-Way Stretch, lightweight, breathable and soft Quick Dry and Lightweight: Crafted with quick-drying fabric helps to wick away moisture, keep you cool during the summer Men's Running Shorts with Liner: Built-in mesh brief lining provides support during training. The slit sides allow for a greater range of motion Elastic Waistband with Drawstring: The flexible waistband with an internal adjustable drawstring ensures comfort and stability. The internal drop-in pocket at the waist is perfect for small items Occasion: The mens athletic shorts are suitable for running, jogging, workout, gym, swimming, fitness, sport, exercise or other outdoor activities