With its sleek and sophisticated design, the Rudy Project Rydon Sunglasses offer a compelling combination of performance, versatility, comfort and style. These sunglasses are equipped with interchangeable lenses and adjustable anti-slip nose pads and temples for lots of flexibility. And the lenses are RP-DCentered Optics that maintain clear visibility on curved lenses. The Rydon boasts enhanced fit factors and astounding technical details, making it a timeless icon for runners, cyclists, and outdoor adventure seekers. Equipped with photochromic lenses that enhance contrast, improve visual acuity and depth perception. Frame: Crystal Ash Lenses: Multilaser Deep Blue LTV: 17% Lightweight at 0.90 ounces / 26 grams Direct In frame RX technology Interchangeable lenses Soft adjustable anti-slip nose pads and temples Safety hinges Microfiber pouch and hard protective case included with sunglasses Made in Italy