ThumSling NP, Right, Medium/ Large (P2010-R34)Stretch resistant material and a longer design makes this ideal when more support is required to reduce CMC joint pain. Greater length at the wrist and the classic ThumSling wrap around strap combine for a greater level of CMC support to reduce pain from CMC Joint Arthritis or Tendinitis. Open thumb design eliminates constriction and allows unlimited hand function. Hand or machine wash.