- Size: 40/41 • Soft flannel outer material and lining, no shedding fur. • Open design, easy to slip on, ideal for hot days. • High elasticity memory foam sole, with enough cushioning and support. • Wavy outsole that prevents slipping on wet floors. • Does not damage the floor, including wood and ceramic tiles. • Excellent noise-insulating sole, does not interfere with family rest. • Perfect fit after several uses, ideal for standard feet. • It is recommended to order one size up for wide feet.