Serengeti Dante Progressive Prescription Polarized This model incorporates the flex

This model incorporates the flex hinge

Bridge 18mm Fit:  Small Frame Features: Spring hinge

Male Frame Features: Saddle-style fixed bridge with embedded rubber nosepads

Ray-Ban ® Liteforce Tech RB4179 sunglasses are a perfect combination of iconic design and innovation

Anti-Reflective

Serengeti Dante Progressive Prescription Polarized This model incorporates the flexSERENGETI DANTE PROGRESSIVE PRESCRIPTION Uniquely fashioned temples distinguish Dante from the crowd. Wire flex technology automatically adapts for an impeccable fit. All Serengeti lenses offer the latest in photochromic technology, which constantly lightens and darkens throughout the day to ensure you see every detail. SPECIFICATIONS Polarized: Optional Photochromic: Yes Lens Color: All Colors Lens Material: Light Weight Mineral Glass or Trivex