Goggles with anti-fog treatment, interchangeable lens glasses with 3 lenses: anti-fog smoke recommended in medium or high light conditions, anti-fog yellow recommended in medium, low light and fog, anti-fog transparent recommended in low light conditions and for evening and night use. Antifog lenses are treated with a special resin can disperse the condensation that forms on the surfaces of the lenses in the transition from cold to hot. This allows you to have perfect vision at all times. Lightweight, with high grip and anti perspiration, the lenses in this line are in PC 2.2 mm. thick shock.