Hexarmor VS300 Multipurpose Anti-Fog Scratch Resistant Safety Glasses Gray Lens HexArmor® Grey tint is used to consistently dim the brightness of surroundings without color distortion. For wearers who work in any outdoor environment with prolonged sun exposure, whether bright or partially sunny, Grey tint blocks UV radiation, natural glare, and sun-glare to help reduce eye strain and fatigue. TruShield™ is a multipurpose dual-coating that’s suitable for most applications and environments. TruShield™ coated lenses have permanent anti-fog on the interior of the lens and a scratch-resistant hard coat on the exterior of the lens that will not wash off over time.