Fidlock magnetic buckle fastens effortlessly for a quick, secure, kid-friendly fit Reflective elements on the back of the helmet offer enhanced visibility Dialled fit system provides a secure & comfortable fit Soft, comfortable, moisture-wicking & washable helmet pads Adjustable helmet straps provide a clean look & easy fit management Helmet meets astm standards their tests use a smaller mass head form more realistic to younger riders Crash replacement guarantee provides free helmet replacement if it is involved in a crash within the first year of ownership