Adjustable chin strap Classic clip buckle Interior padding for comfort Scooter and bike approved Australian Standard Certified AS/NZS 2008:2063+A1:2009 Toddler & kids helmets The latest Classic Micro Kids Helmets are designed for a firm ergonomic fit for the ultimate in safety for scooter, bike, and skate riders. Lightweight with built-in ventilation, the protective helmet is made for comfort on both long and short adventures. Parents can have peace of mind about their kids scooting or cycling both near and far. For sizing, measure the circumference of the head from the forehead where the helmet will sit, across the furthest point on the back of the head. Please do not guess. Testing Standard AU/NZ Standard Certified AS/NZS 2008:2063+A1:2009 Bicycle Helmets Buckle Classic Clip Buckle Sizes [S] Small: 48-53cm
