Providing relief and easing the discomfort from the ailments of hip and knee conditions, Sissel Medi Support reduces twisting and and stress on the lower spine, as well as helping to relieve and alleviate maintain a square pelvis. It is an ideal support tool when recovering from hip and knee surgery can help keep you cool and comfortable, preventing uncomfortable sweating when relaxing or sleeping. It features a removable cotton/polyester (85%/15%) zippered cover, which is machine washable.