The Knoxville Pro sunglass offers an uncompromising sense of style with an unprecedented level of performance. We've expanded our most popular franchise to add the protection, clarity, and comfort features you desire in a high-performance sunglass.Frame: 6 base mold injected grilamid frame in feather weight construction with performance grip nose bridge and temple tips. Innovative double action hinge system.Optics: 6 base melanin infused polycarbonate lenses. 100% UV protection. Up to 98% blue light protection.Available in Polarized Pro polycarbonate lenses: 99.9% Premium glare reduction, relaxed/soothing eye feeling, true color perception, and scratch resistance with the addition of anti-reflection, hydrophobic, and oleophobic performance lens coatings.Available in Pro lenses: anti-reflection, hydrophobic, and oleophobic performance lens coatings.Includes microfiber cleaning bag.Designed in California. Made in Italy.Lifetime warrantyMeasurement: 48h - 141w - 142l (Medium Sized Frame)Weight: 27 gramsHelpful information: California Residents, Read Prop 65 Warning