Woolrich's long- and short-sleeve shirts are now also available in a lighter fabric. Lightweight Operator Shirts are made of 100-percent cotton ripstop. Features include DuPont Teflon fabric protector to repel water and oil-based stains, UPF+ 30 for sun protection, a zippered concealment pocket, a hidden button-down collar, utility pockets with zipper closure, and a three-piece ventilated back. The long-sleeve version also features underarm gussets with vent holes, reinforced elbows, and convertible roll-up sleeves. Both shirts are available in khaki, black, sage, and navy.