Provides primary stabilization for the first metacarpalphalangeal (MCP) joint and first carpometacarpal (CMC) joints, as well as secondary support for the radiocarpal and radioulnar wrist joints. Provides stability for injuries to the base of the thumb at the CMC joint, such as Bennett’s or Rolando’s fractures, or to stabilize a painful CMC joint. Also useful for confirmed or suspected navicular (scaphoid) fractures, and for injuries or arthritis involving the trapezium or trapezoid bones of the wrist. Does not contain latex.