Contains 100% certified recycled polyester, certified by Control Union CU811033. Recycled Polyester made from 100% rPET. Ult... Contains 100% certified recycled polyester, certified by Control Union CU811033. Recycled Polyester made from 100% rPET. Ultra thermal fabric - warmth without weight. Double layer fleece headband. Anti-pill finish. Cuffed design for optimal decoration. TearAway label for ease of rebranding. The recycled polyester used is equivalent to 3.6 bottles of 500 ml.