Outdoor enthusiasts and athletes know how important a good pair of sports sunglasses can be when you’re squinting in the sun trying to catch a ball or outrun and angry bear. These great shades by X-Loop will protect your eyes and stay on your head under most circumstances. The frame is made of plastic with a sweeping shape and a rigid construction that will stand up to rough treatment. The lenses are semi-rimless and dark to block out ultraviolet rays.