Introducing the Madison Enigma Sunglasses 3 Lens Pack. This offers 3 lens options for differing light conditions; Bright, medium light and low light/night time. The large modern styled Enigma frame offers a huge field of vision and protection. With an adjustable nose piece and temple tips, it tailors to fit all face shapes and stays firmly in place when you're rattling along any technical terrain.Polycarbonate Lenses: Optics from Madison meets the highest standard for eyewear; ISO 12312. The interchangeable polycarbonate lenses are both impact and scratch-resistant. The lenses offer both supreme optical clarity and UV-A and UV-B protection3 lens options: Main Lens Light Filtration Cat. 3 suitable for Bright conditions, an Amber lens suitable for Medium-Light conditions and a Clear lens suitable for Low-Light conditionsMulti-Purpose: Both versatile and stylish, Madison Optics maintain their good looks on the road or trailsTR-90 Frames: TR-90 plastics are lightweight, flexible and durabl