Innovative knit structure provides gradient compression to promote the healing process. Anatomical contouring supports natural motion of the ankle and provides and exceptional fit. Comfortable, non-constricting top and bottom cuffs. Medical-grade silicone inserts provide targeted compression and massage surrounding soft tissues to help reduce swelling. Constructed with moisture-wicking fibers, this premium ankle support is a lightweight, breathable alternative to neoprene. Reinforced heel. Specify right or left.