Thorlos Experia with aero-dynamic fit and Thorlos protection without weight. Featuring Thorlos padding in the critical strike zones of the ball and heel. Made with proprietary THOR-WICK Cool fibers for wickability and breathability. *Specially sculpted THORLO pads in the ball and heel provide protection from shear and impact. Experia eliminates all but the most essential padding, significantly reducing the weight of the sock.*THORââ¬WICK COOL polyester in the ball and heel padding moves moisture quickly away from your foot to the outside of your sock allowing moisture to evaporate, keeping your foot noticeably drier, cooler and more comfortable.*Lightweight sock frame. Nylon covered Lycra provides contoured aero-dynamic glove-like fit.*Flow thru venting enhances moisture portability.(COLOR-Blue Shark)