Feature: 1. Our helmet features an adjustable fit system, allowing you to adjust the helmet to fit your head perfectly. 2. The helmet also has a secure and easy-to-use buckle and strap system to ensure a secure and comfortable fit. 3. With ventilation holes to keep them cool and dry, they\u0027ll be comfortable on even the hottest days. 4. Equipped with warning lights to improve visibility at night and ensure night riding safety. 5. This helmet is suitable for a range of activities, from biking and skating to rollerblading and more. Specification: Keep you safe on their outdoor adventures with our cycling helmet. Designed with a tough outer PC shell and comfortable EPS inner foam padding, this helmet is perfect for a variety of activities. Features: Our helmet features an adjustable fit system, allowing you to adjust the helmet to fit your head perfectly. The helmet also has a secure and easy-to-use buckle and strap system to ensure a secure and comfortable fit. With ventilation holes to keep them cool and dry, they'll be comfortable on even the hottest days. Equipped with warning lights to improve visibility at night and ensure night riding safety. This helmet is suitable for a range of activities, from biking and skating to rollerblading and more. Specifications: Material: PC, EPS Color: White/ Black/ Pink/ Sky Blue/ Grey/ Navy Blue (optional) Size: 58-61cm/ 22.8-24in Weight: 360g/ 12.7oz Package List: 1 * Helmet Package List: 1 * Helmet