Made of a lightweight, durable and heat moldable thermoplastic for patient customization. The narrow palmar roll supports the hand while fingers remain free to grasp. The Dorsal Carpal Tunnel Splint limits wrist flexion and extension during repetitive hand motion. It can also be used as a wrist extension splint to support a weak or flaccid wrist. the breathable foam liner wicks moisture away from the skin. Latex free.