NIKE TRANSFORM PACKABLE RUNNING GILET VEST Perfect condition Size small Lightweight mesh material for maximum ventilation Open front with adjustable release-buckle straps for a comfortable fit Stretchy pouch pockets and integrated hip pack for convenient storage Included safety whistle Body: 94% polyester, 6% elastane and Lining: 82% polyester, 13% nylon, 5% elastane The Nike Transform Packable Running Gilet Vest is imported.