no size.  just says size S  the sole is 10" long and 4.2" wide


Stay warm and stylish this winter with these navy blue and gray snow boots from Marc Jacobs. These mid-calf boots have a flat heel, making them perfect for both snow and casual occasions. The boots are made with a combination of nylon, leather, and rubber, and the microfiber lining ensures your feet stay warm and cozy.


These boots are designed for women with US shoe sizes between  7-8.5 (medium). The block heel style makes these boots both comfortable and practical. The rubber outsole provides excellent traction, making them perfect for winter weather. These boots are pre-owned but still in great condition, ready for a new owner to enjoy.


google says 

 Small fits size. 6, 6.5, 7, and 7.5