At the front of the waist is an expandable, waterproof pocket for a firm and secure phone storage.Extra light, stretch fabric for absolute freedom of movement.Built-in underpants for better coverage and support.The 4-Way Stretch design enables material elasticity in all directions.The material perfectly diverts sweat and it withers very quickly.Laser perforations for better ventilation.Soft knit waist with internal pull-up and built-in back pockets.The front pocket of the Speedpocket can hold most mobile phones, up to 8 x 15 cm in size.Length of legs from crotch: 18 cm.