Purposefully designed to protect our little ones heads! This helmet is fully adjustable to ensure the perfect fit for a safe and secure ride. With soft padding, holes for air-flow and anti-itch strap on the neck for a comfortable fit. Rated to be used as a bicycle helmet and meets the Australian Safety Standards for bicycle related activities. One Size Adjustable Helmet fits child heads from 48-52cm SPECIFICATIONS• Micro-adjustable dial to ensure an easy, secure, and accurate fit• Adjustable chin strap• Interior padding for comfort• Skateboard and bicycle approved• Australian Standard Certified AS/NZS 2008:2063+A1:2009 Ookkie Helmet Black