Our TDU shirts are designed with direct input from high-end operators from Special Operations teams around the country. These TDU shirts are designed to give quick access to essential gear and withstand the toughest environments. We understand the demands placed on those that require something as durable as a TDU Shirt and we have engineered the most reliant, toughest and functional TDU Shirts to meet those needs. 5.11 TDU Shirts are reinforced for superior durability and crafted with specific functionalities to give you greater range of motion for superior flexibility. 5.11 Tactical Duty Uniform Shirts have become an industry standard for Special Operations uniforms.