HK Army HSTL Lenses
The HSTL Goggle Lens System is composed of virgin optical-grade GE polycarbonate--inherently UVA \ UVB and IR shielded, every HSTL lens shields your eyes from dangerous sunlight in every playing condition.
The interior thermal lens features 3M Foam Sealant, trapping a layer of cool barrier of insulating air, eliminating condensation and encouraging evaporative cooling.
Anti-Fog Thermal Layer Optical Grade Polycarbonate Works only with HSTL Goggle
