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 a Nitrogen logo on the temples and come in a variety of colors, including black with white, black with red, black with orange, black with yellow, black with green, and black with blue. These trendy matte-frame 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.