Outer Materials: 92% Polyester, 8% Elastane. Fabric: Buckram. Design: Plain. 3 Layer Sweatband, 6 Panel Design, Authentic Sticker, Button at Top, Closed Back, Contrast Underbill, Eyelets, Mid Profile, Pre-Curved Peak, Seamless, Stretch, Structured Front Panel. Fabric Technology: Hardwearing, Lightweight, Moisture Wicking, Permacurv, Stain Resistant. Sustainability: Amfori, BSCI, Ethical Trading Initiative, REACH, Sedex, WRAP Certified.