High Altitude Protection. 

For high altitude mountaineering and touring in extreme environments, the Wind Warrior Hat offers superior protection. Made of GORE® WINDSTOPPER® Technical Fleece with a full fleece lining for additional warmth, the Wind Warrior protects against harsh winter winds. Integrated Polartec® WindPro® ear panels improve hearing, ensuring you'll always know straight away when your climbing partner is yelling, "TAKE!"