Dickies 3 Pair Men's Industrial Strength Flatknit Crew Work Socks - All Colors 6-12 3% nylon Soft cotton fibers. Reinforced and reciprocated heel and toe. Flatknit construction. Stay up power welt. 72% cotton, 24% polyester, 3% nylon, 1% spandex. 3 pairs (6 socks total).