Spare lens for all Madison Mission modelsOptics by Carl Zeiss Vision means you are getting the highest standard in optical clarity and UV protectionThe durable polycarbonate lens is both impact and scratch resistantThe lens features Carl Zeiss Vision Ri-Pel technology reducing the effects of dirt, water and sweat thanks to its hydrophobic vacuum coatingThe clear lens features anti-fog technology to keep your lens fog free, even in the harshest of conditionsLimited lifetime warranty Madison Mission Sunglasses Spare Lens Features Spare lens for all Madison Mission models Optics by Carl Zeiss Vision means you are getting the highest standard in optical clarity and UV protection The durable polycarbonate lens is both impact and scratch resistant The lens features Carl Zeiss Vision Ri-Pel technology reducing the effects of dirt, water and sweat thanks to its hydrophobic vacuum coating The clear lens features anti-fog technology to keep your lens fog free, even in the harshest of conditions Limited lifetime warranty