Durable polyester outer layer with open-cell foam core and soft nylon lining. Removable aluminum radial stay immobilizes the MCP and CMC joints.. Removable contoured-aluminum palmar stay is malleable for customization of wrist extension.. Nonremovable plastic dorsal stay supports the wrist and reduces rotation.. Loop-and-lock straps with hook and loop closure for quick adjustment of fit and compression. Soft, stretchable stockinette panel for easy slip-on/slip-off application and removal. Brace is 8 inches long.. Small size fits those with right wrist circumferences ranging from 6½ to 7¼ inches..