Nubuck grain leather uppers for style and comfort. Hook-and-loop mary jane closure ensures easy on and off wear and a secure fit. Cushioned footbed is made of a recycled carbon compound that gives added support and breathability. Velcro closure for a secure and comfortable fit. The exclusive Frog Shock System is a specially cushioned insole that provides shock absorbency. The Comfort Last is anatomically angled. The outline adapts to the natural shape of your foot. Rubber outsole is durable and shock absorbency. 1 inch heel.