Stretch sole is an amazingly comfortable flat no other shoe flexes stretches and fits quite like it a stretch cord links the outsole pods together allowing the shoe to stretch horizontally paired with the stretch canvas uppers this shoe adapts to your foot for a very comfortable fit and of course it has full on crocs comfort inside powered by an articulated croslite material insole it may be the most comfortable shoe weve ever made and that says a lot coming from crocs womens str