HK Army HSTL Thermal Lens
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.
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