Frame color: Dark Havana; Lens color: Gradient Brown; Frame material: Acetate. These Ralph by Ralph Lauren RA5130 1596/13 Tortoise-Violet/Brown Gradient Rectangle Sunglasses in Dark Tortoise are available for purchase online. Varifocal and Single Vision prescription lenses are offered. Delivery within the UK. The Ralph Lauren RA5130 sunglasses feature a Brown/Purple/Tortoise color scheme. The price includes high-quality frames, standard prescription lenses, shipping, a free case, and a cloth. These are large Brown/Tortoise/Purple Full-Rim sunglasses designed for women. The Rectangle shape is suitable for Oval/Round face shapes.