Running shoes with zero drop are designed with a distinct feature: the heel and toe are at the equal level, creating a "no drop" from heel to toe. This style stands in stark contrast with traditional running shoes, which commonly have a significant heel-to-toe drop, usually varying from 8mm to 12mm. https://www.articleted.com/article/942015/275628/What-are-the-benefits-of-Zero-Drop-running-shoes-