Stance's Ruffle Icon Quarter Sock are mid-weight combed cotton blend socks that are reinforced in the heel and toe with Infiknit, and feature cure ruffle edge. Women's quarter sock Hits just above the ankle Light cushioning Deep heel pocket Engineered arch support Seamless toe cushion Infiknit 67% combed cotton, 23% polyester, 7% nylon, 3% elastane M = women's sizes 8-10.5