X-Large * Average Shoe size M 13.5 + * The DARCO DCS Plantar Fasciitis Sleeve is woven to be anatomically correct * Wave compression technology on the plantar surface of the foot provides a sustained stretch on the plantar fascia * The DCS PF gives relief from the discomfort associated with plantar fasciitis by promoting circulation reducing edema and foot fatigue and relieving morning foot pain * Constructed of medical grade fabric that is latex free * Comfort Zone on the Anterior Ankle Fold to prevent pinching or binding * Low Profile Design.