Ratchet, adjustable temples, flexible nose, MMT Economical lens replacement system. Lifetime frame guarantee Meets military Vo ballistic impact requirement (on select tints) Uvex Genesis XC has the same comfort and adjustability features as original Uvex Genesis, with 20% more extended wrap-around lens for extra cheek and side coverage. Rx lens insert available. Uvex Genesis XC has an easy and economical lens replacement system. XC frames have lifetime guarantee. Black Frame with Clear Lens & HydroShield Anti-Fog Coating. Made in the USA.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }