Always a perfect fit! Gekko, the next generation of kids' helmets from lazer! Drop down side and rear protection keeps little ones safe as they explore the world by bike. A stylish integrated visor looks great and keeps sun out of the eyes and off the face. The lazer autofit® retention system automatically adjusts to the riders' head making the helmet quick and easy to fit, just put it on the head and let the autofit work its magic. Plenty of vents ensure the helmet interior stays cool and comfortable. Features: one size fits all - will fit them for longer while they grow, becoming expert little bikers. great side and rear protection - to keep them safe from unexpected bumps. easy installation - with zero adjustment autofit system. rechargeable rear led light compatible - upgrade for increased visibility at night. Specification autofit® system kids uni-size (50-56 cm) weight: 300g (s) 12 vents