Chemical splash, dust and impact goggle; VisiClear anti-fog coating offers unprecedented anti-fog optics, ant scratch and anti-static characteristics for extreme visual clarity in all conditions. The superior style, comfort and fit of Dynaflex material conforms to the face, stays supple in extreme climates and is easy to clean and sanitize. Proprietary Cross Vent Technology provides the unique design which keeps air flowing in and moisture or chemical splashes out and the polycarbonate lens provides superior impact resistance. Added feature is the replaceable lens.