This Replacement Lens Compatible With FOUR SEVEN Goggles Helps Amplifies Color Contrast Especially InSnowy Or Overcast Light Conditions , Enabling The Eye To Identify Terrain Variations BetterImproved Visual Acuity:SIGMA Lenses Amplify Contrast To Help You See Terrain Details Better, Especially In Snowy Or Overcast Light ConditionsSpecifications:- Primary Practice : Alpine Ski- DSPC Conditioning : 1x1- DSPC Category 1 (PAM) : LENSES- Article Type : After Market- DSPC Category 2 (PAM) : LENSES
