Cradles foot & ankle suspending heel w/cushioning thoughout. Calf pad is tapered to protect fragile Achilles area. Heel window allows air circulation & easy inspection. Low-friction exterior &  water-resistant fabric, machine-washable.  #65948-4” Heel Standard fits up to 18" circumference   #65949-5” Bariatric 5" wide at heel fits calf circumference up to 23"   #65950-Anit Rotation Bar Latex Free UNSPSC#42241706