Make me an offer! FRAME Matte Black, polarized 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.