From Crocs, the Men's Classic Family Matching Clogs feature: Upper made with their innovative Croslite™ compound, which now contains 25% bio-circular materials like cooking oil from other industries Slip-on construction Designed to enhance breathability Lightweight, water-friendly and buoyant Pivoting heel straps for a more secure fit Easy to clean and quick to dry Customizable with Jibbitz™ charms Iconic Crocs Comfort™: Lightweight. Flexible. 360-degree comfort. Imported.