- Size: 40/41 • Women's slippers with soft flannel outer material and lining. • Open design that wicks moisture, keeping feet fresh and dry. • High elasticity memory foam sole for proper support. • Wavy design outsole to prevent slipping on wet floors. • Does not damage the floor, including wood and ceramic tiles. • Excellent noise insulation, ideal for not disturbing the family. • Hand or machine washable, staying new after washing.