Size junior 4 Finished in a vibrant bubble block pattern, the Crocs Bubble Block Clog adds a splash of color to any outfit. Incredibly light and fun to wear, these Crocs feature Croslite foam cushioning, Croslite upper, and a heel strap. The ventilation ports on these slip-ons add breathability and help shed water and debris. Crocs Bubble Block Clog features: Croslite construction offers flexibility and 360-degree comfort. Pivoting heel strap ensures a more secure fit. Jibbitz charms allow customization. Easy to clean and quick to dry.