ASO Ankle Support Braces

The ASO (Ankle Stabilizing Orthosis) is one of the most trusted lace-up ankle braces in sports medicine and rehabilitation, and this collection gathers the models clinicians and athletes reach for when they need dependable ankle stabilization. Whether you're recovering from a lateral ankle sprain, managing chronic instability, or protecting a joint through a return-to-play season, these braces deliver rigid support without sacrificing mobility.

What sets the ASO apart is its combination of a lace-up closure and figure-eight stabilizing straps that mimic the athletic taping a trainer would apply — but in a reusable, self-applied form. The design controls inversion and eversion, the two motions most responsible for ankle rolls, while the low-profile construction slips inside most athletic shoes without crowding. Made from durable ballistic nylon, these braces hold up to repeated use across practices, games, and daily wear.

Fit is what buyers ask about most. The ASO is bilateral, meaning a single brace works on either the left or right foot, and sizing is based on ankle circumference rather than shoe size. The ASO Low Profile Ankle Support in Small (264012) fits an 11 to 12 inch ankle circumference, while the Medium (264014) covers 12 to 13 inches — measure around the ankle at its narrowest point just above the bone to select correctly. Both feature the signature low-profile design in black ballistic nylon.

These braces suit a wide range of users: athletes in basketball, volleyball, and soccer where ankle sprains are common; individuals with a history of recurring sprains seeking prophylactic support; and patients following orthopedic guidance during recovery. For the full range of models and sizing options from this manufacturer, explore the ASO Corporation collection.