EPO MTX-E PhotoChromic Orange
(Vented Spare Lens)

Double Vented Lens equipped with tear off pins. External clear high optical quality lens with antiscrath feature and filtered vents for a better internal ventilation. FogStop Photochromic Orange internal lens: it's a little bit slower than Cobalt type, but longer lasting. EPO antifog effect is improved by the sealed air-chamber created between the two lenses. It can sustain long time use in critical environmental conditions.