52% Cotton, 45% Polyester, 3% Elastane. Design: Plain. Fastening: Button. Sleeve-Type: Short-Sleeved. Neckline: Turn Down Collar. Fabric Technology: Moisture Wicking, Soft, Stretch. 3 Button Placket. Sun Rating: UPF 35. S: 38 in. M: 41 in. XL: 48 in. XXL: 52 in. 3XL: 56 in. 4XL: 60 in.