KarbonOptix Carbon Fiber Sunglasses composite frame plastic lens UV400 Lens width: 55mm TOUGHEST PAIR OF SHADES ON AMAZON - No other shades on Amazon are made from 100% Carbon Fiber. Able to withstand much higher impacts and crafted with the strongest materials to ensure quality and longevity. Buy with confidence with our Lifetime Customer Support and Amazons buyer security! PROTECT YOUR EYES WITH STYLE - High quality UV400 protecting polarized lenses of KarbonOptix sunglasses block harmful UV rays and restore true colors by eliminating reflected and scattered light. Every pair comes with a unique KarbonWorx Microfiber Bag, Cleaning cloth, stickers, and our customer guarantee! FASHIONABLE & LUXURIOUS - KarbonOptix Carbon Fiber Sunglasses are suitable for all types of sports and outdoor activities including cycling, hiking, fishing and driving, to more relaxed days at the beach or pool. VISIBLE RELIABILITY - KarbonOptix go beyond any plastic and or metal frames strength test abilities, able to survive some of the toughest impacts in an accident. THE EXECUTIVE TREATMENT - Order with complete peace of mind due to our 30-Day Manufacturer Warranty and Lifetime Customer Support!