About Caterpillar Caterpillar is one of the world's leading manufacturers of construction equipment, and it now offers a reliable and durable eyewear collection. With a long history under construction, Caterpillar has engineered its glasses to the highest standards. Discover your new favourite distinct Cat frames here today! About these glasses Their shape is rectangular, which perfectly suits rounder faces.These glasses are equipped with flexible temple hinges, which is a great component for those who often take off their glasses! The frame has a ruthenium colour finish, which means they have a stylish silvery metallic rendering. The material is mainly made of metal, which is highly durable and gives that sleek, stylish look.These frames have an elegant matte finish.