Why heel-toe drop can mean different things for different running shoes and different foot strikes | Runblogger

 A measurement that has come to dominate a lot of discussion about running shoes these days is heel-toe drop. Simply defined, heel-toe drop (or simply “drop”) is the difference in outsole+midsole+insole height (known as stack height) between the heel and forefoot of the shoe. In other words, it compares the amount of “stuff” between your foot and the ground in the heel and forefoot. Yet another way to look at it is that in a 4mm drop shoe, the heel would sit 4mm above the level of the forefoot.

Why heel-toe drop can mean different things for different running shoes and different foot strikes | Runblogger