Aviator Shape Frame Colour: Tortoise Shell Temple Colour: Light Gold with Pink Earpieces Frame Material: Stainless Steel Temple Material: Stainless Steel with Acetate Earpieces Size: 57-14-140 Model No:  Made in Japan Nylon Category 3 Dark Tint Lenses - Pink 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.