Alpha Medical Elastic Compression Support Ankle, Foot Arch Brace, Ankle SleeveThe compression support ankle brace is made with our unique 4-way stretch knitted elastic. Its anatomical shape provides comfortable soothing compression while helping aid blood flow thought the ankle. The seamless design maximizes comfort and removes pressure points on the heel and back of the ankle. The soft elastic material provides support and relief from the arch of the foot to the leg. Size Guide: Measure just above the ankle bone Small 7.5″-8.5″ 19cm-21cm Medium 8.5″-9.5″ 22cm-24cm Large 9.5″-10.5″ 25cm-27cm X-Large 10.5″-11.5″ 28cm-30cm Application Instructions: With the label end up, use both hands to pull the Ankle Support Brace up the foot until the heel is in the center of the knitted pattern. Care Instructions: The Ankle Support Brace can be machined washed with mild detergent. Lay the Ankle Support Brace flat to dry. Do not use a hot dryer or iron on the Ankle Support Brace.