Life's a hoot with these bold, colourful kids helmets. Designed to clash or compliment the ARX kids bike, it's their choice for their adventures. It's not all about looks, with a highly protective polycarbonate shell and a secure Cinch One fitting system which keeps the helmet in place during their rides. Suitable for heads 50cm-55cm.Features: Protection: In-mould polycarbonate shell, Fit system: Cinch One™ , Ventilation: 13 vents with insect mesh, Visor: Integrated, Padding: Pinch resistant strap padding for comfort, Extra: Integrated insect protection mesh, Size: OSFM (50-55cm) Age 5~10, Colours: Red / Blue/ Green / Orange / Yellow , .