A kids bike & skate helmet with a dial-in fitThe Dakota kids bike helmet is made for biking, skating, scootering, and roller skating. This retrospec bike accessory turns heads and has a protective ABS shell and EPS foam lining that keeps their noggin covered. Twist the ErgoKnob dial to fine-tune the fit, then use the nylon straps to adjust to a comfortable position. Ten rectangular vents help them stay cool, and removable, washable pads bring them back to fresh. It&';s CPSC-certified for ages 5 and up, so they&';re ready to roll.