Abstract: The adjustable ankle brace of the present invention shown in FIGS. 1-7 is generally composed of a first sheet and of a second sheet. Such ankle brace can be also referred to as a spat and can be worn over a shoe or an athletic shoe. Overall, the ankle brace of the present invention is formed of a piece of flat material, where the flat material is fit over the foot or shoe such as to leave three openings when in place, namely a first opening for a heel, a second opening for the toes and a third opening for the shin of the leg. A completely disengageable zipper or fastener is provided between the second opening and the third opening such that after completely opening the zipper or fastener, the second opening and the third opening form a combined opening.