Dokker HelmetOuter shell construction is ABS thermoplastic material which is lightweight and safe in case of impact.Inner shell is made of EPS material with varying densities depending on zone ensuring perfect response to impacts.Main visor is transparent polycarbonate with scratch resistant treatment, designed to cover the whole face for protection from wind and dust.Second interior visor is dark for comfort against strong light, working like sunglasses. Relief present in the lower part, once raised causes the visor to disappear inside the shell.Two air vents in the top and extractor on the back ensure good ventilation.Interior of the helmet is designed to be comfortable, allows for wide view and feeling of freedom of movement.All interior are made hypoallergic by the Sanitized treatment while also being removable and washable.Micrometric safety strap makes the hook and release fast.