Meet the Diamondback Ridge Adult Helmet, the perfect companion for commuters and trail enthusiasts alike. With its sleek design and lightweight construction, this helmet ensures a comfortable fit and maximum protection. Featuring 18 vents for optimal airflow, an adjustable fit system, and strap dividers, it guarantees a personalized fit every time. The heat-sealed padding adds an extra layer of comfort, while its ASTM F1447-18 certification guarantees top-notch safety. Available in two sizes, S/M (54-58 cm) and M/L (58-62 cm), this helmet is your ultimate choice for a secure and enjoyable ride.