All Little Nutty helmets comply with US CPSC Bicycle Helmet Safety Standards for persons age 3 and older. Little Nutty helmet is size and fits heads 46cm - 52cm/18" - 20.5".  Each Little Nutty helmet has a built-in Spin Dial Fit System to ensure a snug, comfortable fit, as well as a soft, fabric chin strap for comfort.

FEATURES:
• ABS injection shell
• EVA Shock absorbing liner
• Classic 11 vent design
• Full surround interior
• Quick release buckles
• CPSC & CE EN 1078 Multi Sport Standard Safety