🚴♂️ Gear Up for Adventure! Rear wheel adjustment ensures a snug fit for ages 2-5. Stay cool with 11 strategically placed air vents. Complies with US CPSC safety standards for peace of mind. Neon green design that stands out while keeping your little one safe! Weighs only 0.37 kg for easy wear during cycling adventures. Adjustable fit 11 air vents ABS hard-shell The Kiddimoto Helmet in Neon Green is a lightweight, durable helmet designed for children aged 2-5. Constructed from ABS hard-shell plastic, it features 11 air vents for optimal cooling and a rear wheel adjustment for a snug fit. This helmet meets US CPSC safety standards, ensuring your child's safety while they enjoy their cycling adventures.