Protect your child as they explore and adventure with the Goldcross Kids Mayhem 2 Bike Helmet. This lightweight helmet is adjustable to give your youngster a secure and custom fit with the adjustable chin buckle. The bright design will get them excited to put it on, while the internal padding and breathable vents provide comfort even on the hottest of summer days. In-mould micro shell for all day comfort Micro adjust dual fit system for a secure and custom fit 14 breathable vents to keep cool Chin buckle adjustable for security