100% Recycled Nylon. Lining: Mesh. 6 Panel Design, Stitched Eyelets, Sweatband, Tearaway Label. Fabric Technology: Coolmax, Water Repellent. Sun Rating: UPF 50+. Fastening: Adjustable, Chin Strap, Elasticated, Loop, Toggle. Sustainability: Amfori, BSCI.