Fabric: 92/8 poly/spandex; 100% polyester (Carbon Charcoal); 100% polyester undervisor Structure StructuredProfile: Mid Features: Seam-sealed quick-drying 3-layer sweatband with sweat and stain-blocking technology moisture-wicking water-repellent 4 die-cut vent eyelets Permacurv bill to maintain proper shape and curveClosure: Stretch fit