50/50 recycled polyester/acrylic; 11” knit with 2 1/2" pre-established cuff; Narrow ribbed-knit; Product traceability via QR code label; 1 bottle was recycled for this hat.This product meets the following Sustainable Style subcategories:Sustainable Materials: Contains 50% recycled polyesterSustainable Manufacturing: This product is GRS certified.Socially Conscious Manufacturing: This product is made in a facility that is audited by BSCI/SMETA.