The CadenII offers a sophisticated style with advanced head protection technology, making it a perfect match for your on-the-go lifestyle. A sleek In-Moldshell helps keep Caden lightweight.Thoughtful details include reflective accents, a lock port for securing the helmet with your bike or a bag when youre on the move, and a TPU cycling cap-style visor that accents your style without compromising ventilation.SPECIFICATIONSUniversal front light attachment pointFeatherweight webbing SlimlinebuckleOptional, removable rear LED lightCONSTRUCTIONFull-wrap In-Mold polycarbonate shell with EPS linerVENTILATION12 Wind Tunnelvents with internal channelingSUPER FITSIZESS 2021.75/ 5155cmM 21.7523.25/ 5559cmL 23.2524.75/ 5963cmCERTIFICATIONComplies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older.