Sunglasses with N.P.E.L.P. lenses, the world's finest polarised lenses in optical glass, which ensure complete protection for the eyes. A versatile, feminine design styled with bridge and arms in acetate. Ideal for city life and travel.N.P.E.L.P. stands for the names of the "rare earths" contained in the lenses, combined with the Loro Piana initials Only 1.8 mm thick, N.P.E.L.P. lenses filter 99.9% of reflected polarised light and are treated with 10 layers of anti-reflection coating. They are 100% oil and water resistant, and screen 95% of infrared light and 100% of UV rays Composition – frame: 100% cellulose acetate Composition – lenses: 100% glass