Sole Material -Croslite Heel Type -Flat Color Family -Black Upper Material -Croslite Investing on the right footwear that combines both style and comfort is extremely important. In case you are planning to do so. opt for this pair of Crocs Kadee Black Slide Sandals. Lightweight, it scores big on the comfort scale. This ballerina-inspired pair has a classic form-to-foot Croslite construction.