100% Recycled Polyester. Design: Plain. 6 Panel Design, Button at Top, Curved Peak, Lightweight, Stitched Eyelets, Sweatband, Tearaway Label. Fabric Technology: Breathable, Coolmax. Fastening: Self Fabric Strap, Tri-Glide Buckle. Sustainability: Control Union CU811033, GRS Certified. Ref: UTPC7017