1. Made of high quality, light and durable materials.
2. Suitable for road vehicles, mountain bikes, bicycles, etc.
3. Beautiful and elegant design, full of personality USB load: with USB backlight (9 modes), multiple ventilation design.
4. Warning the Cars or help other riders behind you clearly recognized your direction, safer and shine in night cycling.
5. Highly ventilated design pulls cool air in through the front and pushes it through an air-channel matrix to reduce overheating,moisture-wicking and washable helmet pad offers more airflow to keep you cool.
6. Adjustable Size: 56-59cm