Knee Support Standard XX Large 16.25 17 Ergonomic Products * World standard for medical 01804 * World standard for medical ultrasound transmission * The most widely used gel for diagnostic and therapeutic medical ultrasound * Non Sterile * Recommended for all procedures where a viscous gel is required * Made of plastic and plastic coated aluminum XX Large * Fits knee circum 25 17 (measurement taken just under the knee cap while knee is slightly bent) * Thermal support for prevention treatment & rehabilitation of the knee * Provides protection and support against general wear and tear including sprains strains and twisted knees * Anatomically shaped in 3 pieces for more comfort and a better fit * Thermoskin increases elasticity of muscles tendons and ligaments to reduce the risk of injury when under stress and strain * Clinically proven to increase surface skin and subcutaneous temperature between 2 3 degrees F the optimal level to make tendons and muscles more pliable and elastic to provide optimal muscle function