Ray-Ban RB4378 clear, gray frame with dark blue polarized 。The Ray-Ban Sunglasses RB4378F in Clear Transparent Optical Frame are designed for women seeking a stylish and lightweight accessory. These square-shaped sunglasses feature gradient gray lenses made of polycarbonate, perfect for filtering out harmful UV rays. The clear plastic frame adds a modern touch, while the iconic Ray-Ban branding ensures a high-quality and fashionable look. With a temple length of 145 mm, these sunglasses are not only trendy but also provide excellent optical clarity for any outdoor activity.