YoungLA Men's Bodybuilding Shorts Medium Black/Red Stripe 100% Polyester SHORTS RUN SMALL - Order one size bigger than usual. Waist Size: Small-28in Medium-30in Large-32in XL-34in XXL-36in Deep pockets with zipper on both sides - stop your phone or mp3 player from falling out while exercising 100 Percent Polyester. The perfect snug fit, shape and length for performing lifts in the gym. Light weight, flexible, moisture wicking material - Machine Washable Model is muscular 5ft 8in guy weighing 140lbs and he is wearing a Medium.