Dhb windslam windproof headbanddhbs windslam windproof headband can be worn under helmets is lightweight slim and offers perfect wind protection during winter breathable snug dryyou can now ride for longer with no wind chill effect thanks to the exceptional windproof membrane from which this headband is constructed the breathable fleeced polyester internal face fabric traps warmth and allows moisture to escape ensuring you remain snug and dry comfortable prevents chafingthis soft feel he