Having to use crutches can be a really uncomfortable experience. The 100% Australian Medical grade sheepskin products are perfect for comfort and healing. The Crutch Cover's extra thick pile increases blood flow, prevents sores, and more. Each pair has an under-arm cover and hand grip cover for each arm. Regular temp (Yellow Colour) can be washed in temperatures up to 40 degrees Celsius, and the Hi-Temp (Green Colour) can be washed in hot water up to 80 degrees Celsius.