The DeFeet Aireator is the original air-flow design sock. Today, the Aireator is known for its durability, wicking, drying, and air permeability. The Defeet Aireator is made to stay cooler and more comfortable on your feet. It also lasts longer than most other socks on the market. That is why the Aireator remains the top pick of athletes seeking durability, airflow, and a feeling of efficient power transfer.