These Nitrogen men's rectangular sunglasses are made of plastic and feature polarized UV400 lenses for extra protection from the sun and for glare elimination. These simple sunglasses feature a Nitrogen logo on the arms and come in a variety of colors, including black, gunmetal, silver, gold and brown tortoise. 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.