Introducing the ray-ban rb3721, a square-shaped pair of shades that are designed to complement any look. Crafted from durable metal, these glasses feature a polished frame in a unique brown on gunmetal color, adding a touch of sophistication to your style. The gradient lens treatment transitions smoothly from a darker shade at the top to a lighter one at the bottom, providing optimal sun protection and minimizing glare for comfortable vision. With its timeless design and high-quality materials, these glasses are an excellent choice for everyday wear. Available with prescription lenses.