The Ossur Form Fit Walking Boot in size M is a new ankle-foot immobilizer designed for unisex use. This black walking boot by Össur features an adjustable air walker/fracture brace, measuring 12 inches in length, 10 inches in height, and 5 inches in width. Made in Taiwan, this orthopedic support is ideal for ankle and foot immobilization, providing comfort and stability for those in need of medical support for their lower extremities.