EASTINEAR Adults Bike Helmet Magnetic Goggle Cycling Helmet with USB Rechargeable Taillight for Men Women Mountain & Road Bicycle Helmet Magnetic Shield Size M/L (Black White)

Product Details: Material: PC-shell + EPS foam Ventilation:8 Vents Helmet weight: 290g / 0.63 lbs Gender: Adults,Teenagers Head circumference: 58-61cm /22-24 inch Features: Extraordinary and high performance protection for face and head 360° dial fit easy adjustment and full-range padding for the perfect custom fit. Detachable sun goggles to protect users from hard glare,strong sunlight,wind and sands,providing a clear and safer view. Large and symmetrical air vents leads airflow to keep your head cool and accelerate heat dissipation. Durable PC shell and high density EPS foam provides maximum protection without any load and burden. Super bright USB rechargeable LED rear light could keep our users being safe and noticeable in dark The bike helmet size is 58-61cm /22-24 inch for adults and teenagers. Users can freely adjust the size with a few steps. How to measure head circumference: Use a soft ruler to follow the hairline on the forehead to the position where the bulge of the back head is 2 cm below. The length measured in this way is your head circumference. Package List: 1 × Bike Helmet 1 × Dark Gray Magnetic Goggle