100% Cotton. Fabric: Knitted, Stretch. Design: Plain. Fastening: Button. Neckline: Collared, Ribbed. Cuff: Ribbed. Sleeve-Type: Short-Sleeved. 3 Button Placket, Logo, Moisture Wicking, Quick Dry. 8 UK: 32 in. 10 UK: 34 in. 12 UK: 36 in. 14 UK: 38 in. 20 UK: 45 in. 22 UK: 48 in. 24 UK: 50 in. 26 UK: 52 in. 18 UK: 43 in. 16 UK: 40 in. Ref: UTRG4979