Ray-ban wayfarer liteforce sunglasses are a new, flexible and resilient material. These sunglasses have been constructed from hi-tech fibers that makes them more durable than conventional plastics. The square frame shape is colored in matte black with green classic g-15 polarized lenses for optimal visual clarity and protection from glare and harmful uv rays. These shades offer comfort and durability while maintaining the iconic wayfarer look you love. - frame material: injected