This thermal top from Mountain Warehouse is designed to keep you warm with its advanced fabric technology. It features a crew neckline and long sleeves for complete coverage. The blend of 41% Acrylic, 32% Polyester, 19% Viscose, and 8% Elastane ensures a comfortable and functional fit. The material offers excellent heat retention, high warmth, and is lightweight, moisture-wicking, and quick-drying. Size guide for UK: 6 UK: 33 in, 8 UK: 34 in, 10 UK: 35 in, 12 UK: 37 in, 14 UK: 39 in, 16 UK: 41 in, 18 UK: 44 in, 20 UK: 47 in, 22 UK: 50 in, 24 UK: 52 in, 26 UK: 54 in, 28 UK: 56 in.