Stay fly with the Nike Dri-Fit Fly V4 Crew 3-Pair Pack! This brand is a member of the Sustainable Apparel Coalition. Sold as a three-pair pack. Crew sock sits at the calf. Self adjusting cuff. Ribbed athletic cuff. Dri-FIT technology wicks moisture away from the foot for a drier, cooler feel. Arch band adds support and holds sock in place. Reinforced heel and toe. 37 cotton, 35 nylon, 25 polyester, 3 spandex Machine wash cold. Tumble dry. Imported.