Nike Elite Cushion Quarter Socks Unisex-Adult Size: 6-7.5/7.5-9 Dri-FIT fabric to wick sweat away and help keep you dry and comfortable Three levels of cushioning to soften impact Lightweight mesh for excellent ventilation Y-stitch heel pocket for secure, no-slip fit Reinforced heel and toe for durability in high-wear areas Left/right-specific for an enhanced fit 70% nylon/29% polyester/1% elastane Machine wash Size 2, fits men's 6-7.5, women's 7.5-9 shoe size