Men's 2 in 1 Running Shorts Gym Workout Quick Dry Mens Shorts with Phone Pocket XXXLStretch Closure Material: The outer shorts are mesh fabric, which is breathable and lightweight; the inner shorts are compression tights with elasticity and smoothness. 2 IN 1 DESIGN: Athletic shorts feature ultra-elastic built-in compression to support thigh muscles for improved performance and greater flexibility for increased mobility. Phone pocket and headphone jack: The built-in phone pocket keeps your phone fit perfectly, and the unique headphone jack design allows you to enjoy music while exercising. Hidden Zipper Pockets: In addition to the large pockets on both sides, we also added hidden zipper pockets, so that you no longer need to worry about storing your keys, cards and other valuables. Elastic Waistband and Drawcord: The characteristic elastic band fits perfectly around your waist. The drawstring ensures a comfortable fit and prevents the shorts from slipping.