The Crocs Classic Retro Runner Clogs are the iconic clogs that started a comfort revolution around the world. These clogs offer lightweight iconic crocs comfort and are customizable with jibbitz charms. They are made with an innovative croslite compound, which now contains 25% bio-circular materials like cooking oil from other industries. Unlined, these slip-on clogs are designed with an ethylene vinyl acetate (EVA) upper and insole. Incredibly light, water-friendly, and buoyant, they are an ongoing invitation to be comfortable in your own shoes. Round toe shape. EVA outsole.