SIZE CHART: SIZE 37: US SIZE 5, for foot length 23cm/9inch; SIZE 38: US SIZE 6, for foot length 23.5cm/9.2inch; SIZE 39: US SIZZE 7, for foot length 24cm/9.4inch; SIZE 40: US SIZE 8, for foot length 24.5cm/9.6inch; SIZE 41: US SIZE 9, for foot length 25cm/9.8inch; SIZE 42: US SIZE 10, for foot length 25.5cm/10inch; Size Information: It is recommended that choose size according to your your feet length and our Size Chart in the Product Description .Thank you so much Keep Warming & Fashion: This warm wool boots are thickened, warm,and let you stay comfortable and on-trend. Daily Wearing: Suitable for indoor or outdoor. We offer a variety of colors that you can perfectly match your favorite style. Tips: The fur are very fluffy. They are packaged in plastic packaging and will be deformed during transportation. After being dragged, the hair of the boots will be pressed, and the hair will not be fluffy after being pressed. Please use a hair dryer (home) to blow more, and the effect of blowing the hair like the picture we took will be OK