Brand: Caterpillar/CATHow to measure your feet:1) Place the foot on a flat surface, aligning the heel with the edge.2) Place the ruler on side of the foot, tap lightly on the edge of the heel, and also tap lightly on the heel. Then, take a millimeter from the tip of the longest toe to the heel. Please note that your longest toe may not always be your big toe Please note that your longest toe may not always be your big toe. Why is the same shoe size suitable for different styles? Our shoes are developed to fit everyone's feet and belong to everyone. But our shoes were developed to suit different styles as much as possible. The shape, structure, or material may affect the fit. For example, shoes made of patented leather may feel tighter than the same shoes made of soft suede leather. This may be due to the uniformity of the material and the movement of the feet. However, leather is a natural material that may stretch over time to adjust the shape of the feet. However, leather is a natural material that may stretch over time. To match the shape of your foot, when we measure the foot in the store, we measure the length and circumference of the foot to indicate the customer's shoe size. We cannot manufacture all kinds of shoes to fit every measurement, which is why we have various styles of half size and grip devices. Different How do I know which width is suitable for me?Our standard fit should be suitable for most people - this is the D-shaped fit for our women's shoes, while the G-shaped fit is suitable for our men's shoes. However, if your little toes/toes start to feel squeezed or painful, you may need to try a larger size.