Trimfit Baby Girls Cotton 1X1 Rib (Comfortoe) Socks 3-Pack 3-pair toddler 1X1 rib cotton socks Comfortoe technology 70% cotton / 26% Nylon / 3% Spandex / 1% Rubber. Designed in USA Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron Trimfit. Wear Tested&reg since 1921