1,Multi-pocket design, convenient to carry more personal items.2,four-sided elastic splicing fabric makes you feel free to exercise3,Function: Breathable - Made from fabric that transfers moisture vapors away from the body; helps keep cool and dry, Waterproof Zipper Quick Dry - Quick drying thanks to ventilation, absorbent and moisture-wicking material4,Fabric: Polyester Spandex - Fabric with Spandex content for perfect fit and movement.