5.11 Tactical Flex-Tac TDU Rapid Long Sleeve Shirt - Men's Black Regular 4XL. 11's Flex-Tac mechanical stretch fabric the TDU shirt offers time-tested performance and utility for tactical duty uniforms. ReadyPocket at left and right chest double-layered rear yoke and mic cord pass through. The Flex-Tac TDU shirts feature melamine buttons behind a center front placket and include epaulette and badge tab kits packaged with the product. Specifications for 5.11 Tactical Flex-Tac TDU Rapid Long Sleeve Shirt - Men's: Manufacturer: 5.11 Tactical Length Alpha: Regular Sleeve Length: Long Sleeve Age Group: Adults Apparel Fit: Standard Gender: Male Application: Duty Fabric/Material: 78percent Polyester/22percent Cotton Features of 5.11 Tactical Flex-Tac TDU Rapid Long Sleeve Shirt - Men's Pull over with 1/4 zip front Ripstop upper body sleeves and collar Plain weave Lower Front/ back body Mesh side body/ Underarm panels Flat lock Seams for comfort Low profile sleeve pockets with flap and Hook/ loop closure Loop patch platform on sleeve pockets Reinforced Articulated elbows Lower sleeve pen pocket Lower body: 86percent polyester/ 14percent elastane plain weave. 3.7-oz. wicking finish finish Gussets: 55percent cotton/ 41percent polyester/ 4percent elastane mesh 5.0-oz. Package Contents: 5.11 Tactical Flex-Tac TDU Rapid Long Sleeve Shirt - Men's 5.11 Tactical 72565-019-4XL-R: Flex-Tac TDU Rapid Long Sleeve Shirt - Men's Black Regular 4XL