The Waffle Sock in Deep Sea from Taylor Stitch 90% organic cotton, 10% polyester, 5% spandex. Available in two sizes. Sock tube height: S/M = 7 5/8" and L/XL = 8". Crew sock. Waffle knit tube and top foot. Padded toe and footbed. 1x1 rib cuff. Wash cold and tumble dry low. Made in China.