Feature: 1. High‑density EPS foam material is safely and helpful to decrease the impact forces of the collision. 2. Using high‑strength PC material, the appearance is bright and not easy to fade, making your helmet full of fashion. 3. The smooth air duct design conforms to aerodynamics, which can effectively reduce wind resistance. 4. 28‑hole ventilation design, scientific and reasonable hole ventilation for reasonable heat dissipation effect. 5. Ultra‑light helmet will not cause any burden to the rider s head during the riding process, so it is easy to ride without getting tired. 6. 57‑62cm 22.4‑24.4in adjustable straps can fit your head, which meets the satisfactions of most cycling riders. Specification: Item Type: Bicycle Helmet Material: PC + EPS Head Circumference: Approx. 57 62cm 22.4 24.4in Product Weight: Approx. 360g 12.7oz Features: There is an adjuster, and the size can be adjusted according to the head circumference.. Package List: 1 x Bicycle Helmet 1 x Accessories