The KLR / SLR PURE Lens System is composed of virgin optical-grade GE polycarbonate--inherently UVA \ UVB and IR shielded, every KLR /SLR lens shields your eyes from dangerous sunlight in every playing condition.
Pure Lens
The Pure interior thermal lens features 3M Foam Sealant, trapping a layer of cool barrier of insulating air, eliminating condensation and encouraging evaporative cooling.