off-loads heel for zero pressure and has a wipe clean stretch cover. Suspends heel over air cavity. Low-Shear II cover and water-based gel insert lowers pressure beneath ankle. Prevents plantar flexion. E-Z release Velcro straps.  All Sold Each    #503047-Sm. 3" Wide    #503048-Md 4" Wide    #503049-Lg/Bar 5" Wide use them with  #503098- Anti Rotation Gripper Universal Latex Free UNSPSC#42241706