The blue and gray Sage Prevalon heel protector boot keeps the heel elevated and prevents pressure A built-in wedge prevents lateral rotation, protecting the nerves and maintaining a neutral position The contracture strap reduces the risk of further ankle injuries The rip-stop nylon material slides over bed sheets, providing patients with freedom of movement The Prevalon pressure-relieving heel protector works with sequential compression devices (available separately) Keep a patient's heels safe during treatment with the Prevalon Sage Heel Protector. It relieves pressure and keeps it from accumulating by keeping the heel elevated. An attached wedge prevents the foot from turning from side to side, keeping it in a neutral position and protecting nerves.Made with rip-stop nylon, the blue and gray Sage Prevalon heel protector boot is durable while also giving the patient freedom of movement by sliding smoothly and easily across bed linens. It also works in conjunction with sequential compression devices such as massaging boots (available separately). A contracture strap holds the ankle still to ensure that it remains flexible. - The blue and gray Sage Prevalon heel protector boot keeps the heel elevated and prevents pressure. A built-in wedge prevents lateral rotation, protecting the nerves and maintaining a neutral position. The contracture strap reduces the risk of further ankle injuries. The rip-stop nylon material slides over bed sheets, providing patients with freedom of movement. The Prevalon pressure-relieving heel protector works with sequential compression devices (available separately).