52% Airlume Combed Ringspun Cotton, 48% Polyester. Fabric: Micro-Rib, Stretch. Design: Plain. Neckline: Crew Neck. Sleeve-Type: Sleeveless. Fabric Technology: Pre-Shrunk. Cropped, Deeper Armholes, Side Seams, Tearaway Label. Fit: Muscle. 150gsm. Sustainability: Fair Labor Association, WRAP Certified. 4 UK - 6 UK: 30 in. 6 UK - 8 UK: 32 in. 10 UK - 12 UK: 34 in. 14 UK - 16 UK: 36 in. 22 UK - 24 UK: 40 in. 18 UK - 20 UK: 38 in. Ref: UTRW10115