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DeFeet built the AirEator Bike Sock with such low bulk that you might forget you have it on. A close fit supports your foot in every direction and a mesh-like knit enhances airflow. No padding means no water or sweat absorption and super-fast dry time. Pro athletes rely on the AirEator sock for direct power transfer to their shoe and ultralight weight.

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    love these defeet. use them for cycling, speedskating, running, and dryland. super light weight, fast wicking, and quick dry. The fit is very good. I normally wear a size 10 running shoe and the large fits well. Recommend for any active individual who wants super performing socks.