Low profile design constructed with non-stretch nylon for comfort, performance and durability. Lace-up design and figure 8 strapping locks the calcaneus into place and controls inversion/eversion. A full circumferential elastic strap secures all strapping to provide superior tibia/fibula compression and stability. Removable medial/lateral stays for enhanced proprioception and stability. Fits easily into athletic or street shoes. Universal fits right or left. With athletic sock on, measure circumference of ankle from base of heel around ankle. Latex free.