Leatt Knee Brace Socks - GreyMOISTURECOOL EXTRA LONG WITH ANTI SLIP Leatt's full length knee brace socks are designed to be worn under the knee brace. The uppers are constructed with COOLMAX yarn, a material that absorbs and wicks moisture to the outside for quick evaporation, with an X Flow mesh at the back for increased ventilation. To keep the socks from slipping down, they have silicone printed, non slip cuffs. They feature flatlock stitching for added comfort and also sport