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 Active Airflex CT Lacer is the ultimate in comfort, fit, and ease of use. It is designed to provide compression and support to the affected wrist. The stays are anatomically contoured to provide a low-profile fit that does not impede use of the hand or fingers. Lacer design is easy to apply.