In cases involving swelling, such as a localized build-up of edema, it is recommended to use the ankle brace. This ankle brace incorporates an adjustable elastic band above the ankle. The band is removable if necessary. The adjustable band is especially practical when you have an injury that has caused a localized build-up of edema, which will generally disperse upon application of our ankle brace. The adjustable strap allows you to tighten the garment as the swollen ankle reduces in size.Please note: The ankle brace has an oval-shaped opening for the heel. If your injury is located around this site, it is recommended to use our socks so that the ceramic fabric covers the problem area.Typically goes by shoe size. If finer bone consider a smaller size. Care: Machine washable up to 86F or 30C. Use normal detergents that do not contain bleach or fabric softeners. Air dry only, do not tumble dry.