Airflex is extremely breathable material for cool comfort during active use. It is specifically designed for air circulation, heat transfer and moisture wicking away from the body. Any activity where excess heat or perspiration could be felt under the brace is an ideal application for this product. Additionally, it is stretchy and smooth for the highest level of comfort. The Ortho Active Airflex Wrist Thumb Brace is designed to provide stability and compression to the thumb and wrist for conditions that affect both structures. This support allows movement of the fingers while immobilizing the thumb.