Shinmax Bicycle SG Baseball JAPAN Urban Commuter Ultra Lightweight Sizes Helmet, Standard, Adult/Student Hat, FIT, Style, Style, Design, 54-58cm,

[1-Year Guarantee Service]: Shinmax will guarantee this product for 1 year from the date of purchase! This also covers "self-damage" and "deterioration" which are not covered by other companies! Note: In order to provide more specific support, it would be helpful if you could provide images/videos etc. Bicycle Helmet Safety Standards: Japan: SG Mark, SG Standard (Product Safety Association). USA/Canada: CPSC, 16 CFR 1307, 16 CFR 1203: safety standard for bicycle helmets. Europe: BS EN 1078:2012+A1:2012. Suitable for both men and women. Recommended age range: 10 years and older. Recommended head circumference: M size 54-58cm, L size 55-60cm (or less), XL size 60-62cm. [JAPAN FIT] Shinmax's baseball-style bicycle helmets use the JAPAN FIT system, which is designed to fit the round head shape that is the norm for Japanese (Asian) people. The size can also be adjusted, making it easy to fit to your head. [Urban Style] This helmet is designed for urban life and is a new-generation helmet that suits any cycling scene, combining style and safety. [Excellent Breathability & Heat Dissipation] The urban design ensures excellent ventilation and heat dissipation. Suitable for a wide range of situations, it prevents moisture and heat from building up inside, allowing you to wear it comfortably for long periods of time. ..