Sperian is one of the main leaders in the production of protection equipments. Among the multiple products Sperian produces, their hearing protective products, their safety gloves and their bullet-protect glasses. Sperian is the new commercial name of the brand Pulsafe, specialized during years in the production of policarbonate lenses of high resistance to impacts. The experience and the enlarged career of Pulsafe in this area has been taken by Sperian, who has enlarged their safety products catalogue noticeably. One of the most attractive aspects of the Sperian Pulsafe glasses is its adaptation kit intended to progressive lenses, compaible with the model Sperian XC from this international brand.