94% Polyester, 6% Elastane. Fabric: 4 Way Stretch. Design: Logo. Neckline: Crew Neck. Hem: Drop Tail. Sleeve-Type: Short-Sleeved. Fabric Technology: Anti-Odour, Breathable, HeatGear, Lightweight, Moisture Wicking. Curved Seams, Supersoft. Occasion: Training. 8 UK: 36 in. 10 UK: 38 in. 12 UK: 38.5 in. 14 UK: 40.5 in. 16 UK: 43 in.