. The supportive plastic inner splint controls plantar flexion, which effectively controls foot drop. Suspension of the heel above a cavity allows for maximum pressure relief. (Heel is suspended above a cavity for maximum pressure relief.) Synthetic sheepskin liner provides comfort, prevents bruising and minimises shear force. Fits either foot. Small: Heel to Toe Height 9.5" Large: Heel to Toe Height 12.5" Supplied individually. Removable cover is launderable.