New Balance Unisex 3 Pack No Show Core Performance Socks , Large 53% Nylon, 39% Polyester, 6% Cotton, 2% Lycra Spandex Made in US NB DRY moisture management technology quickly moves sweat to keep feet cool and dry. NB Fresh odor control treatment with Silvadur resists odors. Stability Fit arch support for a snug fit. Reinforced heel and toe for added durability. Stability Fit Arch Support & Hold Soft Touch Spun Polyester Lightning Dry Moisture Management Reinforced Heel & Toe Anti-Microbial Finish to Fight Odor