Introducing Klim's Edge eFire Lens. The Edge eFire lens replacement offers a swift and effortless swap in the field, giving you the choice of multiple tint colors, as well as photochromic and polarized options to match your riding needs. Its impact-resistant design ensures rapid and uniform heating, reducing snow buildup. The convenient magnetic quick-release system allows for hassle-free lens changes. SPECS: Anti-scratch, quick-release, impact-rated cylindrical lens KLIM’s Fluid Heat Technology provides fast, uniform heating across lens Dual-pane lens with 3M™ gasket for fog prevention (polycarbonate outer, cellulose inner) Thru-lens foam-filtered vent to manage temp/elevation changes and prevent fogging Optically correct injection molded HD lens technology Magnetic + slide lock lens retention system Super anti-fog lens coating UV 400 rating Passes ANSI Z87.1 impact protection safety standard Replacement lenses are sold separately Includes thermo-formed protective case with felt interior