Repreve liners are construted with fibers made from recycled plastic bottles. Mesh in top of foot for breathability. Arch support to keep sock in place on foot. A soft silicone gripper inside the heel in wave siping pattern keeps liner hidden in your shoe while protecting your heel.
75% polyester, 23% nylon, 2% spandex
Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron. Do not dry clean.