Despite a light comfortable fit this helmet offers incredible protection. The helmet from uses lightweight high density ABS plastic and crush resistant banding to take the of any impacts and an EPS foam layer to disperse an impact's energy. This helmet is designed to be easy to clean and maintain. The outside uses a mark resistant finish and the inner comfort liner is removable for easy cleaning. Detachable : Detachable ,Streamlined , beautiful and practical. 5 Front and 4 rear cooling vents allow maximum air circulation to keep riders cool and comfortable. Easy Wear: Quick plug design, easy to wear and take.