Nike Women's Dri-FIT 3-Pair Tab No-Show 3-Pack Socks 78% nylon/19% polyester/3% spandex Imported Dri-FIT fabric to wick away sweat and help keep you dry and comfortable Rib cuffs for a snug fit Y-stitch heel for a secure, snug fit that prevents sliding Seamless toe design helps reduce irration and bunching Zonal cushioning brings maximum impact protection to each step