Effective against wind chill dhbs windslam windproof headband is constructed from a unique wind barrier membrane to dramatically kill wind chill effect so you can ride for longer in more comfort the internal face of the fabric is a breathable lightweight fleeced polyester trapping warmth whilst letting moisture build up escape designed to enhance rider comfort with an ideal fit to be worn under your helmet the dhb windslam windproof headband has a soft and comfortable feel with no i