Crown: 90% merino wool, 8% cotton, 2% elastane 315g/m2 Naturally odor-resistant Quick-drying Drawstring closure Packs small and retains its shape. Advanced technology designed for convenience, can be folded inside a hand without losing its shape once released. Designed to provide a perfect adjustment for every size. Designed to wick away moisture in an efficient and fast way. Ideal for high intensity activities. BUFF headwear will ensure you are properly equipped for all your outdoors activities! Designed to wick away moistures and to dry quickly, it also keeps you protected against ultraviolet radiation from the sun. Unisex Men / Women