The Swede-O Thermal Vent Open Wrap Hinged Knee Brace provides comfortable support, compression, and heat therapy to help relieve knee pain. The medial and lateral hinges provide a hyperextension stop at a 0° setting. Use the Open Knee Wrap Hinged Knee Brace for mild to moderate knee instability, aches, pains, sprains, strains, and weakened knees. This product is designed to provide warmth and light compression to promote healing and is anatomically shaped for a comfortable fit. Open knee wrap design offers easy application and adjustment. Engineered with MVT: MicroVentilated Thermal Technology, Thermal Vent Supports have a soft thermal lining that captures and retains your natural body heat to help relieve pain. The microventilated, breatheable membrane is comfortable against the skin and provides a free flow of air which allows the skin to breathe. With unsurpassed quality, these supports provide gentle compression and warmth to help reduce swelling and associated pain as well as promote recovery. Anatomically shaped, contours to the natural shape of the knee for increased comfort and support, 2 Removable polycentric metal hinges provide a hyperextension stop at 0 degrees, while providing a extra support for medial and lateral ligament injuries, Open Wrap design with 2 Adjustable straps provides ease of application for a wide variety of body types, 2 Adjustable straps around thigh and calf area to help prevent migration, Soft and comfortable material against the skin, Binding tape sewn around edges of material for durability and comfort, Care Instructions: Remove hinges prior to washing. Hand wash in warm water using a mild soap. Drip dry. Do not wring, twist, tumble dry, bleach or dry in direct sunlight. To help PREVENT soft tissue injury wear, prior to activity, during activity, after activity, Thermal Vent Supports are a valuable aid to help rehabilitate injured tissue. Wearing this product provides warmth and heat therapy which make tendons and muscles more pliable and elastic and allows them to become fully extensible and more responsive to therapy and exercise.