The ARYSE® PURESPEED® knee is a lightweight, breathable brace that provides support for cartilage/meniscus tears, chondromalacia of the patella, fractures of the patella, fractures of the tibia and/or fibula, hyperextension, knee instabilities, knee ligament derangement, multiple sclerosis, osteoarthritis, patella dislocations, patellar tracking, patella subluxations, rheumatoid arthritis, sprains and more.