1. Made of high quality, light and durable materials. 2. Suitable for road vehicles, mountain bikes, bicycles, etc. 3. Super-large head circumference, with USB rechargeable taillights (nine modes), one-piece molding, stylish shape, multi-vent 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: 58-65cm. 7. Magnetic suction goggles filter strong light.
