100% Nylon. Filling: Microfibre. Design: Quilted. Fabric Technology: DWR Finish, Lightweight, Water Resistant. Sleeve-Type: Sleeveless. Neckline: Standing Collar. Pockets: 2 Side Pockets, Zip. Fastening: Full Zip. 4 UK: 32 in. 6 UK: 34 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, 18 UK: 46 in. 16 UK: 44 in. Ref: UTMW1544