XL0601X Loop knows how to make attractive and user friendly sunglasses, and these cool semi rimless shades for men prove that to the extreme. The frame is made of strong and durable plastic and is molded to fit your head and face comfortably. The arms come off the temples and flow back to the padded earpieces. The lenses are dark and flow together in the middle, offering great protection to your eyes and excellent privacy as well.