Nitrogen has designed a pair of sunglasses for men that features polarized lenses for added protection from the sun's UV rays. The frame is contoured and designed to be strong and fit well. The arms display the Nitrogen logo in an oval stamp on the side. The arms are shaped in three dimensions for added texture and grip. The lenses are rounded rectangles that fit well with the overall shape and feel of the shades. This dozen of sunglasses includes solid colors or patterns as well as different lens colors.