The Outdoor Research Wind Warrior Hat is the perfect headwear for cold and windy backcountry days. Made with Windstopper Technical Fleece with a full ﬂeece lining for additional warmth, the WindWarrior Hat blocks the wind while staying warm and soft. The OR Wind Warrior Hat's Wind Pro® ear panels provide amazing protection yet allow the ability to hear through the protective fabric. The Wind Warrior’s four-panel crown construction and built-in stretch panel provides the perfect fit and even coverage. For high altitude mountaineering and touring in extreme environments the Outdoor Research Wind Warrior Hat offers the toughest and coziest protection available.