Medium Black color Average Shoe size W 7-10.5/ M 6-9.5 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.