Respecting the original Knoxville, we've scaled up the sizing to create a frame that offers more coverage and a larger look while maintaining clean, classic lines and uncompromised fit.Frame: 6 base mold injected grilamid frame with a 5 barrel hinge.Optics: 6 base melanin infused polycarbonate lenses. 100% UV protection. Up to 98% blue light protection.Available in polarized polycarbonate lenses. 99.9% Premium glare reduction, relaxed/soothing eye feeling, true color perception, and scratch resistance.Includes microfiber cleaning bag.Designed in California. Made in Italy.Lifetime warrantyMeasurement: 50h - 144w - 141l (Large Sized Frame)Weight: 33 gramsHelpful information: California Residents, Read Prop 65 Warning