The Semi-Rectangle Sunglasses from Tres Noir are made of Acetate and are stylish for Mens. Available in 3 fabulous color(s): Tortoise Kelp Gree / Zeiss Brown Polarized Lens, Tortoise Kelp Gree / Zeiss CR39 Brown Lens, Black Blonde Tortoise / Zeiss Smoke Polarized Lens. The Tres Noir 101er Sunglasses includes an authentic Tres Noir case. The Tres Noir 101er Sunglasses are available in polarized lenses for maximum sun protection.