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. Ray-Ban RB4840S are perfect for any occasion, whether you're hitting the beach or strolling through the city. The square peek frame in matte sand brown adds a modern touch, while the polarized brown gradient lenses provide 100% UV protection and reduce glare for optimal visual clarity. These sunglasses are sure to turn heads wherever you go.