Nylon. Fit: (eye) 54. (bridge) 18 (temple) 140 6 base curve. All Maui Jim sunglasses feature PolarizedPlus2 lens technology that go 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 MauiPure material for crisp optics and excellent shatter & scratch resistance. Frames constructed from lightweight injected nylon designed for extreme comfort and extended wear time. Lens size: 54. All customs and duties will be charged to our account. There will be no extra charges.