âSmart ankle brace for athletes with seatbelt-style locking straps and neoprene sleeve, shown on a model foot with labeled parts.â 1ď¸âŁ Build the Base Brace Start with a neoprene ankle sleeve or wrap your ankle with stretchy athletic fabric. Make sure it fits snugly but allows movement. 2ď¸âŁ Add Locking Straps Cut two strong nylon straps long enough to go: From the outer foot arch, over the ankle, and attach to the inner calf. Attach one end of each strap to the base of Voir plus