Polarized sunglasses give you an added layer of protection against harmful ultraviolet radiation from the sun, and these great shades by X-Loop offer that in an attractive package. The frame of these great glasses is made of plastic, tough, yet lightweight, so they're comfortable to wear and last a long time. The arms are curved toward center for better grip, and they feature the X-Loop logo on the side. The gray lenses are oval in shape. The glasses are sold in a box of 12 pairs.