GVR Bicycle Adult Helmet Jump Blue With Visor G203VJPML-BLK Size:M/L It has 16 vents to

It has 16 vents to maximize airflow

Reinforced heel for added protection

Improved sleep is linked with reducing risk of various lifestyle disorders and improved overall well being

This product can hold up to 45 kg of weight

so you don't need to worry about hungry or thirst on the road

GVR Bicycle Adult Helmet Jump Blue With Visor G203VJPML-BLK Size:M/L It has 16 vents toSPECIFICATIONS: Size: M L (56cm~61cm) Size can be adjusted by adjustable head ring Weight: 250g 17 ventilations with stylish design and help cyclists stay cool Equipped with 1 removable tinted magnetic visor which is easy to remove from helmet and attach onto helmet by truing up and down Removable lining with anti biotic odor fabrics with permeable mesh net which can stop bugs from entering Approved safety standards by CNS (Taiwan) and JCF (Japan)