Troy lee designs ace performance astro crew socksthese ace performance astro crew socks from troy lee designs are trail proven crew length socks with core spun coolmax which offers excellent moisture wicking properties the compression arch support eliminates bunching while the micro stitch toe construction delivers peak performance mesh uppers provide superior ventilation and air flow featuresmaterial 75 polypropylene 23 nylon 2 spandextrail proven crew lengthcore spun coolmaxmoisture w