Running shoes with zero drop are designed with a unique feature: the rear and toe are at the equal level, creating a "no drop" from heel to toe. This configuration contrasts sharply with conventional running shoes, which typically have a considerable heel-to-toe drop, typically ranging from 8mm-12mm. https://www.articleted.com/article/942015/275628/What-are-the-benefits-of-Zero-Drop-running-shoes-