71% Recycled Polyester, 29% Spandex. Design: Repeat Logo. Fabric Technology: Moisture Wicking, Quick Dry. Compression, Elasticated Band, Medium Support. Back Style: Racerback. Sustainability: Made from Recycled Materials. Neckline: Round Neck. 4 UK - 6 UK: 30 in. 8 UK - 10 UK: 33 in. 12 UK - 14 UK: 37 in. 16 UK - 18 UK: 41 in.