A totally retro look inspired by the raucous 1960s, Ray-Ban Round Metal RB3447CH Chromance Mirror Glass Polarized Sunglasses are icons in their own right. A unisex style popularized by multiple legendary musicians, these distinctive sunglasses feature metal frames with a curved brow bar, adjustable nose pads, and thin metal temples with plastic end tips. Chromance technology fine-tunes light, making everyday colors brighter, clearer, and more extraordinary. The special 6-layer anti-reflection treatment helps maximize contrast, showing more detail both in texture and contour. The lenses are also polarized and outfitted with mirror lenses, which feature a multilayered mirror treatment for super-high shine and added glare control. This advanced technology blocks reflected light and glare to enhance contrast, improve clarity, and reduce eyestrain. These polarized Ray-Ban sunglasses come with a storage case and cleaning cloth.Manufacturer #: RB3447CH. Retro round lens look inspired by the 1960s Glass lenses for clear vision and 100% UV protection Polarized and mirrored lenses cut glare Chromance technology fine-tunes light, making colors brighter and clearer Lightweight yet sturdy metal frames Adjustable nose pads and plastic temple tips for a comfortable fit