PROTECTION LEVEL I - A primary level of protection designed for: Nonspecific knee pain, tendinitis, bursitis, arthritis, minor sprains. Protection from minor scrapes & bumps. This support offers soft tissue compression and therapeutic heat retention that helps relieve pain and promote healing. This open patella version relieves knee cap pressure. The above is a guide only, not a substitute for medical care. Always consult a doctor for injury diagnosis and treatment.. Benefits Of McDavid Neoprene - McDavid\'s American-made neoprene has several advantages over elastics or imported neoprene. Featuring a network of distinct air cells, it insulates better to help retain body heat and moisture. This has the effect of applying continuous, therapeutic warm moist heat to a chronic injury to promote healing and reduce pain and stiffness while compressing and supporting soft tissue.. The 4-way stretch fabric makes McDavid supports easier to apply and provides better, more comfortable fit.. WASH AND CARE: Wash in warm water with a mild detergent, rinse thoroughly and drip dry. Do not machine dry or dry clean.. WARNING: Do not apply over open wounds or if you have a susceptibility to dermatitis, an allergy to rubber or circulation problems. If a rash or other skin problems develop, discontinue use. If the problem persists, consult a physician.