Feature: - Elegant design,High-quality helmet material and exquisite manufacturing - Universal size with adjustable chin strap, fits for most people - Longer brim to better shield your head from sunshine and rain - The liner is high-level warm fabrics, and with high-density foam cushioning layer. It feels soft and comfortable - Great for motorcycles, bikes and scooters Specification: Material: PC+EPS Head size:58-61cm Suitable for head circumference 58CM-61CM Vents: 4 (front 2, rear 2) Applicable scenes: scooter, balance car, bicycle riding, electric bicycle riding, roller skating, outdoor extreme outdoor sports, hole-exploring rock climbing. Package Includes: 1*helmet Note: This helmet does not come with a taillight by default (there is an adjuster on the back of the helmet, which can be replaced with a rechargeable taillight) Please allow 0.5-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!