Supports the thumb in a neutral position between palmar and radial abduction for arthritis, neurological impairment, brain injury, stroke or cerebral palsy. Made of lightweight, durable Kydex® plastic, which can be heat molded at low temperature to meet individual patient needs. Maintains joint alignment, prevents contracture, reduces muscle spasticity and increases range of motion. The washable, breathable wicking liner eliminates potential pressure points, while moisture is "wicked" away, keeping the skin dry and comfortable.