Woolrich Men's Elite Lightweight Operator Tactical Long Sleeve Shirt 100-percent-cotton 4 oz. 100% cotton ripstop, reactive dyed and garment washed. Dupont Teflon fabric protector. UPF 30+ Treated with DuPont Teflon Protector to create a breathable, durable barrier to repel water and oil-based spills. Long sleeve version offers adaptibility: sleeve down for full sun protection and increased warmth, or roll the sleeves up and hold them in place with sewn-in sleeve tab. Easy Care: simply machine wash and tumble dry. China