Keds Women's Solid Gray Liner No Show Socks 3-Pack 79% Polyester, 19% Nylon, 2% Spandex Imported Machine Wash The Keds quality is obvious in the comfort and wearability of this liner. Keds liner apart from competitors Keds seamless heel/toe construction allows for long wearing comfort and the ultra-low silhouette and silicone heel grip adds to an optimal fit that sets the Keds liner apart from competitors