These Nitrogen men's rectangular sunglasses are made of plastic and feature polarized UV400 lenses for extra protection from the sun. These simple sunglasses feature the Nitrogen logo on the arms and come in a variety of colors, including black, gray and black, red and black, orange and black, neon green and black, and blue and black. These trendy sunglasses are form-fitting, which makes them a must-have retail item for department stores, men's sporting good stores, sunglass kiosks and other summer sunglass establishments.