Ribbed knit. Double layer knit. Engineered crown for maximum comfort. Tonal cotton twill patch for decoration. Wide cuffed de... Ribbed knit. Double layer knit. Engineered crown for maximum comfort. Tonal cotton twill patch for decoration. Wide cuffed design for optimal decoration. One size 3-8 years. Contains 100% GRS certified recycled polyester, certified by Control Union CU811033. The recycled polyester used is equivalent to 14 bottles of 330 ml.