Nike Elite Womens Running Quarter Sock
66% Polyester, 30% Nylon, 4% Lycra. Reinforced heel and toe / Enhanced durability in high-wear areas. FootStrike technology developed with running-specific pressure point mapping. Knit-in Swoosh design trademark / Visible brand recognition. Arch support / Snug, secure fit. Anatomical left and right / Superior fit and cushioning. Swift Technology/Promotes energy savings and increases speed