Woolrich Men's Elite Tactical Vest 100% Cotton 8.5 oz. 100% cotton canvas outer shell; 5 oz. 100% cotton poplin inner shell, reactive dyed and garment washed. DuPont Teflon Protector, UPF 30+, Double needle stitching and bar tacking at stress points. Durable cotton canvas shell, with cotton poplin inner shell. DuPont Teflon Protector coating is breathable, durable, and repels both water and oil-based spills. Easy Care: simply machine wash and tumble dry. China