NANCY Eyeglasses by Kirk & Kirk. Material: Acrylic, Shape: Butterfly, Color: Capri, Apple, Chilli, Earth, Fuchsia, Green, Midnight, Ocean, Purple, Violet, Juniper, Size: 54-18-143. Offered in a variety of bold, translucent colors, the NANCY eyeglasses are perfect for individuals who want to make a unique and fashionable statement with their eyewear. The Kirk & Kirk's NANCY glasses for vision feature a distinctive, geometric shape that adds a contemporary touch to any look. Made from high-quality, lightweight acrylic, these frames ensure all-day comfort and durability.