Air Cushion Ankle Support Regular (16-0050) This is a plastic stirrup ankle brace with air-filled bladder liners that provides medial/lateral support and compression to the ankle joint. Ideal for acute ankle sprains Foam inside the bladder eliminates deflation, and air can be added or removed with the tube that is provided Has two circumferential Velcro straps SizeLengthProduct Number Small 9″ 16-0030 Trainer 9.5″ 16-0040 Regular 10″ 16-0050