BEST HEAD PROTECTION: Safety is paramount and our cycling helmets give you the protection you need for your ride. It's designed to meet safety standards, with a durable construction that absorbs impact to keep your head safe in the event of a fall or collision. Sun protection: The brim of the hat adopts a belt-like flip-up structure, which can suppress the fluttering while driving and ensure visibility. Built-in sun shield effectively protects against harmful rays of the sun. It protects your face and eyes from UV rays, improving your comfort and safety during sunny rides, allowing you to focus on the road ahead. Features: Shockproof, ABS shell with hard inner shell, which can effectively protect the head. Provide the most reliable security. Adjustable fit: Applicable head circumference: 56-60cm, consider purchasing based on this data. The perfect fit is achieved with an adjustable dial system and straps, ensuring a snug and secure fit for heads of all shapes and sizes. Ergonomic design provides maximum comfort, allowing you to focus on enjoying your ride. Breathable Design: Say goodbye to stuffy, uncomfortable helmets. Our cycling helmets are designed with breathable materials and ventilation channels to allow air to flow freely, keeping your head cool and dry, even during intense riding or hot weather conditions.