The E-Z Boot is designed to treat foot and ankle flexion contractures, foot drop, internal/external hip rotation and pressure sores due to stroke, illness, trauma or immobility. Designed to ″float″ the heel, which aids/prevents heel irritation or decubitus ulcers. Available in easy to don/ doff one-piece white liner with Soft Fleece interior. Laundry Bag, Rotator Bar and Toe Post included. Measure circumference of the calf 11″ from bottom of the heel.