The SLR / KLR PURE Lens System is composed of virgin optical-grade GE polycarbonate--inherently UVA \ UVB and IR shielded, every KLR lens shields your eyes from dangerous sunlight in every playing condition.

HK Army SLR / KLR Anti-Fog PURE Thermal Replacement Lens Features:

• 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.