DeFeet is a world leader in socks and accessories for cycling, running, and snowsports. DeFeet began in 1992 with the Aireator sock. The Aireator is credited with being the first 'airflow design sock'. Today, DeFeet enjoys a strong presence in retail and custom logo products. DeFeet's line includes socks, arm and knee warmers, gloves, and the most extensive line of cycling-specific base layers on the market.