The Size Guide is based on the feet with the average length and circumference. So the size of the exact shoe would be slightly different from the ith shape of shoes such as open-toe, covered toe box and so on. So if there is the actual measurement of feet, it might help to find the right size.
The following is a shoes size chart we're using. And you can find how to measure your feet below.
Balboa Zin Shoes Size
** Basically Balboa Zin Shoes make as normal wide but depends on the customer's ball girth could be modified without additional charge.
A. Measuring feet length
Stand up straight so that the weight of your body is distributed on your feet. Keep the pencil as vertically as possible, then trace down your foot shape.
Measure foot length by millimeter.
B. Measuring feet width(circumference)
As in the image below, use a tape measure to measure the circumference of your foot by starting at the joint where your big toe begins, wrapping the tape measure around your foot once, and ending at the joint where your little toe begins.
** Most people are not the same size for both feet. One is bigger than another. So we recommend both foot measurement. Sometimes it's a little bit bothering you but it's definitely worth it.
** Feet circumference is almost the same with feet length. 1:1. If your feet are not, you're narrow circumference. Otherwise, it's wide.