The Back on Track Ankle Brace incorporates an adjustable elastic band above the ankle with attachments at each end. The band is adjustable and removable if necessary. The adjustable band is especially practical when you have an injury that has caused localised swelling, for if the swelling reduces, the adjustable strap allows you to tighten the garment accordingly. If you have injury problems with your heel, then we would recommend the Back on Track socks or insoles as the Ankle Brace has an opening for the heel. Comes in three sizes (Small, Medium and Large).