You've tried headbands, skullcaps, and even those little bandannas that make you look like 'Il Pirata.' However, we know that if you're reading this, none of those have worked. Desperate times call for drastic measures, and if your winter is anything like ours, November through March is certainly a desperate time. This year, don't accept a frosty head, use the Gore Bike Wear Universal SO Helmet Cap.Gore's Universal SO Helmet Cap lightly fits over your helmet and cinches down with an elastic drawstring and cord stoppers. It's been constructed to seamlessly and securely adapt to the shape of most helmets, so that your investment doesn't fly off with the wind. For the materials, Gore made the membrane of the Universal SO with the venerable Gore-Tex fabric. Waterproof, windproof, warming, and highly breathable, Gore-Tex has proven itself to be the ultimate in winter protection. Now, we understand that this is a tall order, but Gore alone has proven itself capable of commanding such absolutes. Enough so that we can't exactly tell you how Gore-Tex works, because it's easily the closest guarded secret in the fabric business. What we do know is that your head will never be dryer, regardless of how bad the weather is.And don't think that Gore forgot about your safety. The Helmet Cap has been given reflective accents throughout to increase your visibility in low-light conditions. The Gore Bike Wear Helmet Cap is available in the sizes Medium and Large and in the colors Black, Neon Yellow, and White/black.