95% Polyester, 5% Elastane. Design: Plain. Neckline: Crew Neck. Sleeve-Type: Long-Sleeved. Fabric Technology: Breathable, IsoCool, Lightweight, Moisture Wicking, Quick Dry. Fit: Relaxed Fit. Please Note: Wash Before First Use. 4 UK: 32 in. 6 UK: 33 in. 8 UK: 36 in. 10 UK: 38 in. 12 UK: 40 in. 14 UK: 42 in. 20 UK: 47 in. 22 UK: 50 in. 24 UK: 52 in. 18 UK: 46 in. 16 UK: 41 in. Ref: UTMW457