This metal pilot shape features exclusive Lacoste Magnetic Frame technology that blends the heritage of Lacoste, a sport inspired look, and contemporary design. Comfortable rubberTemples extend and meet behind head with magnetic closure for a secure fit. With 5 stop positions, customers can adjust to desired fit. The metal core wire is covered with a plastic sleeve in order to ensure the customer's comfort.The metal pilot shape comes with high quality Zeiss lenses with technical features that make them perfect for the tennis court and beyond. The green mirrored lens are designed to absorb light, improving the wearer's ability to perceive details more clearly. Great for a clay tennis court and red lighting, such as a sunrise. The gunmetal blue mirrored lens and the copper lens enhance the wearer's ability to detect contrast and spot details sharply. Great for a green tennis court, grassy fields, and even concrete.Rene Lacoste signature engraved on the left lens.Lenses are 100% UVA and UVB protective.Lens tints designed to enhance vision and see detail more clearly on and off the tennis court.