Static dorsiflexion assistance and lateral stability for the entire foot-ankle area is provided by this polyethylene splint. Thicker on the vertical aspect for rigidity. Footplate can be trimmed with scissors. A heat gun may be used for customizing. The low arch and open heel give it a streamlined profile that fits easily into any shoe. Padded hook & loop strap. Women’s fits up to Women's shoe size 9-1/2. Men's fits up to Men's size 12.