Transitional lens that goes from light to dark and dark to light automatically Eliminates the need to change lenses Frames made of durable nylon with flexible frame ends Use as a sunglass or goggle; temples remove easily and can be replaced with the included adjustable strap Double-sided anti-fog coating Includes zippered gripper case and microfiber pouch Meets ANSI Z87.1 safety standards Comfortable fit with aerodynamic design and ultraviolet protection all in one