Simple and comparatively thin frames look brilliant and refined. These are beautifully made chic glasses, with nearly-square lenses for a stylish throw-back to another era but with a modern touch. They feature extreme lightweight, super-shape-retaining durability and high heat-resistance, bringing you an unpredicted comfort for all day long wear.Suitable for single vision as well as bifocals and progressive lenses, provide durability and more comfortable wear. Two classic colors are for option, including black and red. Total weight is about 16 grams with basic lenses.