At the front waist is an extendable, waterproof pocket for strong and secure phone storage. Extra lightweight, stretch fabric for absolute freedom of movement. Built-in underpants for better coverage and support. The 4-Way Stretch design allows the material to be elastic in all directions. The material drains sweat away and dries very quickly. Laser perforations for better ventilation. Soft knitted waistband with internal drawstrings and built-in back pockets. The front Speedpocket holds most mobile phones, up to 8 x 15 cm in size. Crotch leg length: 18 cm.