Harkening back to earlier times, our Obsidian Seventy Nines have all the best ingredients from years past. Silver hardware and our script logo adorn black arms, while a combination of transparent gray and polished black fades into clear for a posh presence on the front. All lens options feature UV400 protection and impact resistance for top-notch security. Front frame fades from black to clear at the bottom Glossy black arms Silver hardware Single vision or progressive Lenses available in a variety of colors All sunglasses lenses are polarized Digital lens technology offers sharper image quality and enhanced contrast Correction available in -6 to +3* Astigmatism correction available to -4.00 Pupillary distance available in 57-80mm** Scratch resistant coating Anti-reflective coating FDA compliant impact-resistant polycarbonate lenses UV400 protection Lightweight Unisex Hard shell case and microfiber pouch included Prescription eyewear is available for U.S. customers only *Correction available may vary per prescription and frame style selection. Our technicians will verify your eligibility before your order goes to production and will contact you with any issues.**Some PD restrictions may apply on specific frames. A large disparity between customer PD and frame PD will increase thickness of final product.