Abstract: An ankle stabilizer is provided which comprises a flexible jacket, a first strap, a second strap, a first fastener member associated with the first strap and a second fastener member associated with the second strap. The jacket snugly receives a rear portion of a foot and a lower portion of a leg associated with an ankle when the ankle stabilizer is in an operative position. The first and second straps, each have a first end thereof secured to the jacket at a location laterally centered beneath the arch of the foot. The first strap passes over the instep of the foot, wraps around the rear portion of the foot and ends on the medial or inner side of the foot, when in a stabilizing configuration. The first fastening member reusably secures the first strap in the stabilizing configuration thereof.