62% Polyester, 38% Cotton Taclite Ripstop Imported PREMIUM FLEX-TAC FABRIC: Experience exceptional durability with the Flex-Tac mechanical stretch fabric in this men's button down short sleeve shirt. The 62% polyester and 38% cotton blend ensures comfort and flexibility while maintaining a sleek appearance. INNOVATIVE READYPOCKET: Stay organized with the patented ReadyPocket design that provides easy access to essential tools. This shirt features dual chest pockets with flaps and a pen guide for efficient storage and quick retrieval. DURABLE CONSTRUCTION: Built to withstand rigorous use, the Stryke Shirt includes melamine buttons and a no-roll collar for long-lasting performance. The DWR C0 finish offers water resistance and enhances the fabric's durability. ENHANCED FUNCTIONALITY: Designed for versatility, this shirt includes a hidden button-down collar tab and a patented sleeve pen pocket. Ideal for professionals needing practical features without sacrificing style. SUN PROTECTION INCLUDED: Stay protected from harmful UV rays with the UPF 50+ rating. The Stryke Shirt is perfect for outdoor activities and provides reliable sun protection while keeping you comfortable and stylish.