What does the heel-to-toe measurement refer to?

The heel-to-toe measurement specifically refers to the length of the foot, which is important for ensuring a proper fit in footwear. This measurement is taken from the back of the heel to the tip of the longest toe. Accurate heel-to-toe measurements help manufacturers create shoes that accommodate customers’ foot sizes appropriately, thereby reducing discomfort and potential foot problems.

While the other options mention aspects of shoe or foot design, they do not pertain to the heel-to-toe measurement itself. Width pertains to how broad the shoe is, height refers to the elevation of the heel which impacts comfort and style, and depth involves the space available for the toes, which can affect how the shoe fits over the forefoot. Each of these dimensions plays a role in overall shoe comfort and functionality, but they do not define the heel-to-toe measurement.