RayBan Sunglasses 4179 601 71 Black Green Happy Bronze Red Mirror designed to elevate your everyday GG 1257S 002 53#HH MED designed to elevate your everyday look while providing superior eye protection Montana Sunglasses MP1B XL B Turtle Brown Polarized are a stylish and functional accessory designed for outdoor enthusiasts Ray Ban Sunglasses 4179 601 71 Black Green is from the latest Liteforce series from Ray Ban which used a thermoplastic material used in aerospace which gives superb durability and comfort in a plastic frame but above all lightness The curved top bar is the thickness of a metal frame which is of course very thin but still strong enough to support the polycarbonate lenses in a plastic frame