Try on the NATHANIEL 600 at your local EyeCare Associates location. These grey designer eyeglasses from Flexon are perfect for focusing at work or relaxing at home. Made from metal, these eyeglasses feature a design and can help you see clearly with prescription lenses. At EyeCare Associates, we can build a complete pair of Flexon NATHANIEL 600 just for you, with custom lenses designed for your vision needs.