... S,M,L,XL Item: KN-012Description:Neoprene Knee Support (open patella)Material: Neoprene, NylonSize: S,M,L,XLFeature & Function ... comfort and flexion. Also features nylon facings on both sides. Heavy duty outer facing for durability. Retains warmth, promotes healing, ... reduces abrasions. Caution: Do not apply over open wounds or if you have a susceptibility to dermatitis.* Recommended ...