Ray-Ban RB3705 Chromance are a modern square frame designed for those who dare to be different. The metal frame is built to last, and is available in a sleek black color, while the polarized grey lenses will keep your vision sharp and clear all day long. These sunglasses come with chromance lens treatment, which offers you high contrast and vibrant colors that stay true over time so you can enjoy them for years to come. Available with lens contrast enhancement technology.