The Nylon Power Wool Hat is a water-repellent hat. The fabric is made of stretchy Cordura®? Nylon and DWR coated for a water-repellent finish. The hat is constructed with a six-panel crown and large ribbed brim. SIZE D 23.6" H 4.9" CARE Wash cold, dry flat MATERIAL Shell: 80% Nylon, 12% Wool, 8% Spandex Lining: 100% Polyester, Sweatband: 100% Polyester