Frame Colour: Transparent Textural Blue/Gold Temple Colour: Transparent Textural Blue Frame/Temple Material: Acetate Size: 55-17-145 Model No: PG2C3SUN Made in Japan Nylon Category 3 Dark Tint Lenses - Purple Graduated Nylon is a newer top-notch performance material; it combines the advantages of polycarbonate and CR-39 lenses. Nylon lenses have an outstanding shock resistance while being extremely lightweight and do not crack when drilled, making them perfect for some frame shapes. This is an exclusive collaboration with Linda Farrow that produced the Sunglasses to their highest standards. Prabal Gurung is a Nepalese-American fashion designer based in New York City.