【Durable and Adjustable Size】Made of impact-resistant material. Imported high-density PC case with superior technology will surely improve the safety performance. Bicycle helmet with hard and durable shell, a soft cushion can absorb the pressure caused by external impact, it will protect your head in all directions. There is an adjustment button on the back of the helmet, helping to adjust the circumference of the head. 【Integrated headlight and taillight】The bicycle helmet has 3 white LED bulbs in the front, 10 red LEDs in the back. Thanks to the integrated light helmet, drivers, pedestrians and other cyclists will see you come and warn the cars or help the other cyclists behind you clearly recognized your direction. It is safer to cycle at night. 【Comfortable and safe】The bicycle helmet uses a special aerodynamic design and 14 ventilation holes to effectively reduce air resistance and sweat. This bicycle helmet is really light and fits comfortably during the driving. Wearing this integrated lightweight helmet will protect your head in all directions and warn cars or help other riders behind you to clearly recognize your direction, safer and brighter in night cycling. Safety headlight and rear light We designed a safety light on the front and back of the bike helmet. Improve your safety in the dark It has a variety of lighting modes to meet the needs of different situations. It allows you to ride safely at night. As an urban cyclist, you demand safety and affordability, but also style and comfort. Choose this helmet and transform your daily commute. A compact and sleek design to fit your business or casual style. This helmet bike for commuting around town keeps you comfortable and safe day in and day out. Molded EPS foam with PC shell for maximum comfort and protection, so you feel safe in the heaviest of traffic. Thickened foam provides better protection. Cooling vents can move airflow over your head to keep you cool and dry. Comfortable enough to wear in hot weather. Moisture wicking pads, removable and washable. The padded chin strap makes your chin comfortable for extended wear. The rear retention system allows you to easily secure this helmet with one hand. The straps can be tightened or loosened to fit your head size perfectly. Note: The lamp is waterproof and rainproof, but be careful not to put it directly into water and do not soak it. Comfortable and flexible adjustable strap, ideal for long journeys, allows you to secure the helmet so that it adapts perfectly to your head. Heavy-duty side buckle, easy to attach and detach, to adjust the bicycle helmet to the head and ensure its safety. Soft and comfortable chin straps, moisture-wicking and washable, they protect your chin from discomfort. Thick and dense shock-absorbing EPS foam interior provides great protection for your head while cycling.