Shield sunglasses are great for sports or outdoor activities because they protect your eyes and are lightweight with a tight fit. These great shades for men by X-Loop are in a shield style with an attitude and look of their own. The frame is made of strong plastic that is shaped to be comfortable to wear. The arms come straight off the temples and have an interior texture piece for better fit. The revo-blue lenses provide maximum UV protection. These single-color glasses are sold by the dozen.