Gore Windstopper fabric does exactly what it says on the label, it stops wind! Guaranteed to keep out icy blasts & cold air this headband is ideal for mountaineering, ski-touring, backcountry skiers & snowboarders. The lightweight 3-layer softshell headband has an anatomical cut with perforated ear flaps to allow unrestricted hearing & Velcro adjustability for a custom fit. The low bulk fleece fabric wicks moisture & dries exceptionally quickly.