Ray-Ban® RB3686 Liteforce Sunglasses 57mm Eyesize | Rx 。Ray-Ban Round Liteforce Sunglasses New with box & tag! FRAME: Polished Black LENSES: Silver Flash MODEL CODE RB4237 601/30 50-21 FRAME SHAPE: Phantos FRAME COLOR: Polished Black FRAME MATERIAL: Liteforce TEMPLE COLOR: Black LENSES COLOR: Silver Flash LENS TREATMENT: Solid Color - Mirror SIZE LENS WIDTH: 50 mm LENS BRIDGE: 21 mm LENS HEIGHT: 45 mm TEMPLE LENGTH: 145 mm UPC code: 8053672498141 Includes: sunglasses, case, wipe, papers & box (small tear in side of lid as evident in photos). 100% UV protection Liteforce is a cutting-edge frame material that has been specifically engineered to be as light as plastic while offering the same strength and reduced thickness as metal. Lightweight and flexible, each frame offers excellent chemical, mechanical and heat resistance to ensure durability as well as comfort. The perfect solution for those looking for ultra-thin frames that last, this collection is recommended for busy, active lifestyles and will ensure the wearer glides effortlessly through their day without even noticing their frames. The Liteforce RB4237 combines top quality materials with style and offers a wide range of stylish lens including: classic, gradient, mirror lenses. These fine shaped temples offer a laser engraved Ray-Ban logo on the metal injected molded hinges and iconic rivets. The Liteforce turns high-tech into high style. This style is not available online.