Mil-Tec Combat Shirt Olive Polyester To fit chest (recommended): S 37"-40", M 39"-42", L 40"-43", XL 43"-46", XXL 45"-48", 3XL 47"-50" Close fitting lightweight UBACS shirt designed to be worn under body armor systems and Combat Vests Zip up front. Zip close pocket on each upper sleeve with hook-and-loop patches on the front Elbow reinforcements on each arm. Hook-and-loop adjustable cuffs. Pockets with hook-and-loop closure for padding Body: 100% Polyester. Sleeves: 100% Cotton Ripstop