HK Army HSTL Lens - Clear Thermal Grind Up The interior thermal lens features

The interior thermal lens features 3M Foam Sealant

& 90 CI tanks

Low-Profile Tri-Layer Foam for Maximum Comfort

and customizable goggle in the history of paintball

shell fragments

HK Army HSTL Lens - Clear Thermal Grind Up The interior thermal lens featuresThe 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. Details Anti Fog Thermal Layer Optical Grade Polycarbonate Works only with HSTL