The Wrap Around Open Patella Knee Support is a patella stabilizer designed for wear by individuals with arthritis or other disabilities of the knee. Designed to fit either knee, the wrap-around design provides adjustable fit and the open donut-shaped buttress relieves pressure on the patella and stabilizes the knee. The neoprene fabric provides warmth, compression, and support. Velcro straps above and below the knee provide adjustable support and fit. SIZES: One size fits most.