Serengeti Boron Progressive Prescription Sunglasses Lens Options::PHD Trivex | Non Polarized 555nm w/Anti-reflective Backside (green) each with its own unique

each with its own unique ecosystem

Required for Progressives

Frame Width 129mm Base Curve: 8x Prescription: Yes

Light-Adjusting Lens Size:   52 x 44mm (WxHt) Lens Material:  Ultra Light Mineral Glass Frame Material:  Handcrafted Acetate

Lens Sizes: 58mm x40

Serengeti Boron Progressive Prescription Sunglasses Lens Options::PHD Trivex | Non Polarized 555nm w/Anti-reflective Backside (green) each with its own uniqueSERENGETI BORON PROGRESSIVE PRESCRIPTION One of the models of the Driving Heritage Collection, BORON is inspired by the driving codes and free spirit mindset but with a retro twist. Its modern and dynamic design echoes the dramatic lines of old and edgy American cars from where their engines first revved to the American deserts and enduring the test of time. BORON benefits from a premium conception with the combination of handcrafted Acetate and