The Fast-Tac TDU Long Sleeve Shirt is engineered for durability and comfort. It features a lightweight, Fast Tac polyester fabric construction that delivers cool breathability and has a C6 water-resistant finish for added protection and easy care. The loose fit and bi-swing shoulder allow a wide range of motion for added comfort and performance. Other features include double reinforced elbows, pen guides on the chest pockets, and a pen pocket on the left sleeve. The shirt is made of 100% polyester Fast-Tac Ripstop fabric and has a water-resistant finish. It also features chest pockets with pen guides and a button-down collar.