LENS - TruRay Optics - 100% UV Protection - Made from polycarbonate, one of the most i- mpact-resistant lenses on the market - Anti scratch coating
MATERIAL & QUALITY - MADE IN THE USA - 7075 Billet Aircraft Aluminum - Adjustable custom fit - Dual sided - 5 Barrel Hinges - Classic 4 - Rivet System - Frames are hand crafted in the USA