Replacement lens for FOUR SEVEN goggles.- This replacement lens compatible with FOUR SEVEN goggles helps amplifies color contrast especially in sunny or cloudy 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 sunny or partly cloudy light conditions.Model Data:- Primary Practice: Alpine Ski- Size Range: NSSpecifications Article:- DSPC - Category 1 (Pam): lenses- Article Type: After Market- DSPC - Conditioning: 1x1- DSPC - Category 2 (PAM): lenses
