Rugged yet refined, the new RB3708 square double bridge design is fashioned from milled metal. Detailed with a perfect linear temple tip with a metal cap, it features high precision hinges. Available in a variety of frame and lens combinations from black on silver to gunmetal frames, and solid, gradient, mirrored, or polarized lenses. Ray-Ban sunglasses sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Ray-Ban link above the product title to shop the entire Ray-Ban sunglass and eyeglass assortment.