Stretch sole is an amazingly comfortable shoe nothing else flexes stretches and fits quite like it a stretch cord links the outsole pods together allowing the entire shoe to stretch paired with the stretch canvas uppers this shoe adapts to your foot for an incredibly 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 mens stret