Being comfortable, windproof and seamless, the Buff Windproof Balaclava is designed to protect you from the harsh winter conditions while running, skiing, mountain biking, snow mobiling, mountaineering or ice climbing. This technical balaclava made of 100% Windstopper® fabric features a soft fleece lining that covers the entire head. Comfort seams bonded together by Ultrasonic heat fusion creates a garment with an optimal fit and prevents skin irritations. Small laser perforations around the ear area aid hearing and a laser-cut hole over the nose with additional small laser perforations around the mouth allow for easy breathing to avoid humidity and to reduce goggle fog. 100% Polyester.