Introducing the Ray Ban Dark Grey Classic Rectangular Unisex Sunglasses RB3717 002/B1 57. These stylish sunglasses feature a polished black metal frame with a classic rectangular shape, perfect for adults seeking both fashion and functionality. With a lens width of 57 mm and an arm length of 145 mm, they provide a comfortable fit for all-day wear. The dark grey lenses offer 100% UV protection, ensuring your eyes are shielded from harmful rays. Each pair comes with a case or pouch and may include a polishing cloth, making them an excellent choice for your eyewear collection.