Adult Bicycle Bike Safety Adjustable Protective Cycling Shockproof

Description Material: EPS foamed PC ABS Wind hole: 18 wind holes Package included:1 x Helmet, 1 x Visor (Can be detached from the helmet). PERFECT SIZE: This adult cycling helmet goes with a standard size, Head circumference 57-62cm, 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. IMPACT RESISTANCE: This nutcase bike helmet is specially designed for adult rider. Material use the tough and durable PVC & PC, EPS foam which help absorb the impact and protect the head during crash. VENTILATION: The adoption of specialized aerodynamic and ventilation design allow air go through the biking helmet which help increase the speed and keep stay cool. LIGHTWEIGHT: This biking helmet made of lightweight material, the inner pad use of breathable material to wear comfortably. Adult Bicycle Bike Safety Helmet Adjustable Protective Cycling Shockproof