100% Polyester. Design: Plain. Sleeve-Type: Short-Sleeved. Neckline: Turn Down Collar. Fabric Technology: Breathable, IsoCool, Lightweight, Moisture Wicking, Quick Dry. 2 Button Placket. XS: 35 in. S: 38 in. M: 40 in. L: 44 in. XL: 47 in. XXL: 50 in. 3XL: 53 in. Ref: UTMW4025