Super-light HeatGear fabric provides excellent coverage without weighing you down. The expandable center waistband pocket is waterproof and keeps your phone safe without bouncing. The material drains sweat away and dries very quickly. 4-Way Stretch technology allows for better movement in every direction. Elastic waistband with internal drawcord. Ankle zippers for easy on and off. The back pocket of the Speedpocket comfortably fits most phones up to 15cm x 7cm. Leg span: 68,5cm.