Show off your keen fashion sense and rep your favorite tool company with these comfortable, breathable calf-length socks. Attractive argyle pattern with a Park Tool logo on the cuff and "Trust Me" / "I'm a Bike Mechanic" emblazoned across the arches. Cool Comfort Formula athletic socks custom-made for Park Tool by SockGuy(R). Featuring a double-stitched heel & toe and a cool mesh upper. - 75% Micro Denier Acrylic/15% Nylon/10% Spandex - Made in the USA - Easy-Fit(TM) cuff - Stretch-To-Fit(TM) sizing system Sizing: - S/M -- Men 5-9 / Women 6-10 / Euro 37-42 - L/XL -- Men 9-13 / Women 10-14 / Euro 43-48