All Maui Jim Sunglasses feature Polarizedplus2 lens technology that goes beyond shielding your eyes from glare and harmful uv rays by enhancing colors to reveal the true beauty of the world around you Enjoy ultimate UV protection combined with premium style, incredible durability, glare-free vision, and color-boosting patented technologies HCL Bronze lenses feature a warm tint that provides versatility in changing light conditions Lenses made with SuperThin Glass Material provide for crisp optics and the best scratch and solvent resistance Frames constructed from lightweight, injected nylon, designed for extreme comfort and extended wear time True to our independent roots for 30 years, Maui Jim sunglasses are still designed and tested in Hawaii Backed by a 2-year manufacturer to the original purchaser and when purchased from an authorized Maui Jim reseller, and includes a Large Brown Sport Case to keep your glasses in pristine condition Lenses width: 56 millimeters; lenses height: 47 millimeters; bridge length: 20 millimeters; Temple Length: 140 millimeters ; 6 base curve