This Ace Brand Neoprene Knee Brace with Open Patella is designed to provide you with the optimal support you need while assuring proper fit and comfort. The unique properties of Neoprene retain the therapeutic heat generated by your body. This aids circulation and helps keep your muscles pliable, thus reducing susceptibility to injury. The Ace Neoprene Knee Brace with Open Patella has a non-irritating lining and is ideal for use during exercise and other physical activities. For support during other times, try our Ace Regular Knee Brace or Ace Plus Knee Brace. Ace Brand lets you go for it with confidence. Helps prevent injury. Comfortably supports weak muscles and joints. Firm even support without restricting movement. Non-irritating lining. Cushions against bumps and blows. Open patella prevents slippage. Will not absorb water. Easy to put on and off. Unique design for optimum fit. Smooth seams, no discomfort or irritation. Comfortable, designed to minimize slippage and bunching.