XL522MIXShield style sunglasses are meant to protect your eyes and let you be active without worrying about your shades, and these nice shades by X Loop for men do that and a whole lot more. The frame is all plastic with a thick and sturdy look, and it is molded to fit comfortably with a strong and lightweight construction. The arms come off the top of the face and feature a cut out section and a rubberized interior earpieces for better grip.