Dino Casco bicycle helmet With this super cool helmet from Dino you are always well protected while cycling, skating or skating! Thanks to the ventilation openings you keep your head cool in all conditions. With the twist fit system and adjustable helmet straps you ensure that the helmet always fits well around your head. Specifications: Model: Casco Color: red, black Gender: junior Material outer shell: plastic Material intermediate shell: polystyrene Ventilation: 5 openings Head circumference: 52-56 cm