Suspension boot effectively removes pressure from the heel Calf rests in pressure-reducing foam Patented Heelift elevation pad disperses pressure evenly across entire calf Heelift? Suspension Boot fully suspends heel using adjustable elevation pad, dispersing pressure over calf. The Heelift Suspension Boot is made of medical-grade foam. Heelift Suspension Boot with convoluted interior offers increased air circulation. Heelift Suspension Boot with smooth interior helps minimize skin irritation for extra-sensitive skin. Friction-free Tricot Backing: Unlike other heel suspension products, which can have sharp edges on the back that rub against the patient's leg, Heelift features a smooth tricot backing that aids in patient mobility and helps ensure patient safety. Forefoot support is provided by Heelift's spring back technology that helps keep the foot upright. ?Easy-on, Easy-off? Rounded Straps: Easy to use, the soft hook and loop straps can be adjusted to accommodate each patient?s specific needs. Suspension boot is machine washable, autoclavable: Like other Heelift products, the Heelift Suspension Boot can be washed safely in a net or mesh laundry bag and can be autoclaved for sterility.