Pathson New Windproof Dust-proof Rain Cover Mountain Road Bicycle Helmet Waterproof Cover Helmet cover is particularly suitable for large temperature difference, heat lamp environments, it can be well protected helmet, protected from solar radiation damage, breakage or damage resulting temperature difference. Cycling movement, or experience wind and rain, dust or bluster, put on a helmet cover to reduce a pain, and the ratio is easy to clean dirt stain. Windproof / rainproof / dustproof / anti-bacterial. High quality high visibility waterproof helmet cover . Applicable:Biking, outdoor sports