Chapter 20. Shoe Sizes
National shoe sizes are very different from each other. In the United States, the Branach system was developed in World War II by a private company. The U.S. Army hired the Branach Company to ensure that boots and shoes fit enlisted men. The Branach system was expanded to allow for the width of the foot with alphabetic codes after the size that start at (narrowest) AAA and continue through AA, A, B, C, D, E, EE, and EEE. The widths are 3/16" apart and differ by shoe length.
The Continental European system used in France, Germany, Italy, Spain, and in most other continental European countries is based on the French system. The unit of measure is called a “Paris point” and it is given by the formula:
shoe size = (1.5 * (foot_length ...
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