Protect your child's head with this Spiderman multi-sport helmet! This helmet is suited for head sizes 50-54cm and has a cool skate helmet look that kids like. Specs: - ABS Hardshell, for maximum protection - Dial-fit comfort system, giving you a secure fit, ensuring your helmet stays put. - 12 air vents This is official branded product, not a cheap knockoff and is an AS/NZS certified helmet for bike riding.