This Clear Replacement Lens Compatible With Four Seven Goggles Is Designed For Riding Under Artificial Or Dark Light Conditions.Visual Acuity & Protection:Protects Eyes From Cold, Wind, And Snow, Enables Complete Visibility In Artificial LightSpecifications:- Primary Practice : Alpine Ski- Dspc Conditioning : 1x1- Dspc Category 2 (Pam) : Lenses- Dspc Category 1 (Pam) : Lenses
