The Caravan was first introduced in 1957 to popular acclaim. Today, Ray-Ban New Caravan RB3636 Gradient Glass Sunglasses offer an update on the classic style. Glass lenses provide 100% UV protection while blocking most reflected light and blue light. They are also outfitted with a gradient tint that is characterized by a smooth transition from solid to transparent color and helps reduce eyestrain. These distinctive Ray-Ban sunglasses feature sturdy metal frames with premium engravings on the temples and double-bridge styling. Adjustable nose pads and slender temple tips give them a secure facial fit. These Ray-Ban unisex sunglasses come with a storage case and cleaning cloth.Manufacturer #: RB3636. Unisex lifestyle sunglasses Retro square-lens look popularized in the late 1950s Glass lenses provide 100% UV protection Gradient tint to reduce eyestrain Sturdy metal frames with engraved details on temples and double-bridge styling Adjustable nose pads and slender temple tips Includes storage case and cleaning cloth