Nattork Kids Helmet Protective Gear, Removable Liner for Multi-Sports Skateboard, Skates, Bike, Scooter Age 4-12 Kids Youth Adults

Impact Proof and Protective Material: The helmet is designed for multi sport head protection. The material uses a strong ABS shell and high quality EPS foam to help absorb the impact and protect the head during impact
Adjustable & Multiple Sizes: Roller skating helmets are suitable for kids ages 4-12 years old, teens, adults. With an adjustable spin dial inside, you can flexibly tighten/loosen the helmet for a comfortable wearing experience. Three sizes for chosen: Small (18.11” – 19.69” / 46cm – 50cm);Medium (19.70” – 21.26” / 50cm – 54cm)
Ventilated and Cool Helmet: With 11 ventilation holes, it conforms to the special aerodynamic design to reduce sweating and keep cool, while also reducing the high temperature caused by intense physical exercise