Defender Rectangle eyeglasses are made of new material Ultem, superlight, flexible and anti-allergic, a technologically advanced plastic used by the aerospace industry, and they are as strong as they are light. Coming with Mblack, Mblack/Blue, Mblack/Pink and Mblack/Gunmetal, this Ultem series are design in Korea. The colorful frame is perfect for both men and women no matter you are looking for single vision or progressive lenses. FP1871 Defender