Reduces pain caused by friction between heel & ankle * Helps with shock absorption, heel skin chap & heel pain; Mineral oil soothes & softens skin * Heel coated with medical grade gel - superb elasticity conforms & shapes to fit * Measure around the ankle bone: One Size Fits up to 9 7/8 inches (25cm) * Sold in Pairs; Color: Blue; non-returnable for hygiene reasons.