Krown Skateboard Helmets are suitable for many action sports including biking, skateboarding, scootering, and inline skating. These helmets are specifically designed to protect your head. Made with a lightweight and durable ABS plastic shell. Perfect for high impacts. Krown Skateboard Helmets are a one size fits all and include 3 sets of foam insert sizing pads to get the perfect fit. Along with adjustable straps at your neck allow you to get the perfect fit for all ages. Krown utilizes multiple vents in the design along with breathable foam to reduce sweating and to keep your head cool.