It only offers therapeutic warmth when suffering from, for example, Rheumatoid Arthritis and/or Osteoarthritis.    The LP Support Knee Sleeve is meant for the minor knee disorders and made only to keep the knee warm. The LP Support Knee Sleeve is made of ventilating, comfortable and elastic material which offers therapeutic warmth and support without being annoyingly present. Due to the material, the knee sleeve guarantees an optimal fit and high wearing comfort. The LP Support Knee Sleeve can be worn comfortably all day. This is why this sleeve has been used with great success for years when it comes to (circulatory) problems and swellings. (Sold per piece).