Nike Men's USAWR Team Overtime Training Jacket - Grey - Overtime Training Jacket helps you warm up with double-knit fabric and a high-cut collar. Double-knit polyester fabric help keeps you warm. Media patch inside right pocket helps keep your device secure. Full-front zipper for easy on and off. Zipper has a chin guard to help prevent irritation. Collar zips high on the neck for full coverage. 100% Polyester.