Maybe one of these similar products would be of interest:-
G-Max Coiled Electric fits Cord™ Kit for G-Max Helmet
G-Max Helmet Shield Tinted One size fits most Face Shield GM64 G064002 72-3601
G-Max Top Rear Vent for GM64/S Helmet
G-Max Coiled Electric fits Cord™ Kit for G-Max Helmet
G-Max Helmet Shield Tinted One size fits most Face Shield GM64 G064002 72-3601
G-Max Top Rear Vent for GM64/S Helmet