Adult Cycling Bike Helmet, Lightweight and Adjustable with Pads&Visor for Men and Women,Premium Quality Airflow Unisex Bicycle Helmet,Suggested Fit 58-61 cm

SIZE:This adult cycling helmet goes with perfect size, Head circumference 22.4-24.4in/58-61cm, head width 7inch/18cm, head length 9inch/23cm equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size and suitable for both men and women.
SAFETY: CPSC Certified Safety Helmet.The Bike Helmet is carefully constructed with an all-in-one polycarbonate solid PC shell,high-density shock-absorbing EPS foam and embedded internal keel,giving it excellent shock absorption and drop resistance, effectively reducing impact forces and providing you with the most reliable safety.
VENTILATION:The bike helmet designed with 18 Air Vents ensuring optimal air flow.The adoption of specialized aerodynamic and ventilation design allow air go through the biking helmet which help increase the speed and keep stay cool.Plus, our bike helmets are ultra-lightweight to reduce stress on your head even when worn for extended periods of time.