The Actimove open patella knee brace has the following features: Balanced heat and medical compression promote pain relief and healing. These compression properties help reduce swelling and manage pain relief. Kneecap pressure is reduced due to the open design. EXCEPTIONAL BREATHABILITY: Neoprene-free fabric made with COOLMAX AIR technology, designed for quick drying and exceptional breathability to keep you comfortable, cool and dry. STAYS IN PLACE: The knee is protected by a snug fit that stays in place during activity. EASY APPLICATION: The knee brace is easy to put on thanks to its wrap-around design that opens completely.