XL1403X Loop takes an ordinary sunglasses design and adds flair and style to make it memorable and attractive. These great shades for men feature semi rimless lenses and a form fitting shape that keeps your eyes safe no matter what you're doing. The frame is made of plastic, strong and able to stand up to rough use. The arms flow toward the ears where there is a rubber piece for better fit. The lenses offer excellent ultraviolet protection for your eyes.