UA Microthread fabric dries quickly, does not stick, is elastic, does not absorb sweat and is recyclable An expandable center pocket at the waistband is water-resistant and keeps your phone safe without bouncing around The material wicks away sweat and dries very quickly 4-Way Stretch technology allows for better movement in every direction Strategic ribbed panels for greater flexibility and comfort Elastic waistband with internal drawcord Secure zippered hand pockets Ankle zippers for a custom fit and easy on and off The back Speedpocket fits most phones up to 15cm x 7cm in size Leg span: 75cm.