Built from rugged, Flex-Tac mechanical stretch fabric, with a Teflon finish for water, stain, and soil-resistance, the 5.11 Stryke Short-Sleeve Shirt is made for the tough stuff. Durable, flexible, versatile uniform shirt, Professional appearance that lasts, Enhanced utility features for peak , performance, 4.84 oz. Flex-Tac mechanical stretch fabric, Available short-sleeve and long-sleeve, Bartacking at major seams and stress points, Secure chest pockets, Hidden utility pocketsTeflon finish, Melamine buttons, Imported