Features Molded with thin, lightweight plastic, the ThumSaver CMC Short is a seamless splint supports the thumb and limits wrist motion to reduce pain experienced when gripping or pinching. Carefully designed to support the thumb and wrist to allow protected hand function. Recommended for those experiencing thumb tendinitis and basal joint arthritis. Felt pads are included to provide cushioning where needed. Shown with 3pp ThumSock, which is not included. Firm Control Sizing and Order Information Instructions: Measure the length from the IP joint (knuckle at the end of the thumb) to the wrist. Measure around the IP joint.