【Double layer design】In the men's training shorts are a hidden pocket built-in shorts with fit support the thigh muscles and improve performance, it is for storing your mobile phone, pedometer, etc, soft and flexible inner tank to avoid exposure, during exercise, the pedometer key card mobile phones can be stored in the inner pocket. 【Quick Drying Material】 The running shorts are made from super breathable 100% polyester fabric, which is more durable and comfortable, they can really keep you cool while doing the workout. 【Adjustable Waistband】Gym shorts mens with adjustable internal drawstring,adjust your comfort according to your own preference with drawcord for comfortable fit, These features make the trousers your perfect everyday companion. 【Back Pocket】 Quality zippered back pocket for safe storage of small essentials while running, like key, card, mp3 player, changes and more. 【The Best Gift】Ideal gift for families, friends, boyfriend or husband.