- Size: 38/39 • Comfort and fashion: these simple and warm slippers pair perfectly with a variety of casual clothing with a slip-on design. The fabric is soft and comfortable, giving it a luxurious and delicate touch. The greatest advantage of these soft slipper boots is comfort and warmth. • Non-slip and silent mules, made with high-quality fluffy artificial hair, non-slip rubber sole, super lightweight, very suitable for walking. • Keep your feet warm and comfortable during the cold winter. • Shoe width: normal.