This equestrian helmet is designed for comprehensive protection with its strong PC shell and EPS main body. It features 7 ventilation holes for heat dissipation and reduced wind resistance. The helmet is lightweight and stable, making it suitable for outdoor sports such as mountain biking, balance car, skateboarding, electric car, and bicycle riding. Features: Comprehensive Protection: The helmet offers full protection with its strong PC shell and EPS main body. Ventilation and Heat Dissipation: Designed with 7 ventilation holes to reduce wind resistance and enhance air flow. Lightweight and Stable: The helmet is lightweight yet stable, making it suitable for various outdoor sports. Convenient Buckle: The helmet features a convenient buckle for quick wear and removal, enhancing its safety factor. Comfortable and Hygienic: The helmet comes with a thickened sponge lining that is removable and easy to clean, providing a more comfortable wearing experience. Specifications: Material: PC Shell + EPS Buffer Layer Ventilation Holes: 7 Size: L 58-62cm/22.8-24.4in, M 52-58cm/20.5-22.8in (Optional) Weight: 290g/10.2oz Package List: 1 x Equestrian Helmet