Men’s black slip on clogs from Crocs in style “Rx Ultimate Cloud Croslite Ag+” with built-in toe cap and heel cup for added protection - some general wear - very good used condition Size 12 Designed with the diabetic foot in mind, the Crocs Rx Ultimate Cloud offers supreme comfort, toecap and heel cup for added protection, enhanced arch support, and ventilation to keep feet cool and dry. Crocs RX Cloud walking shoes have a roomy forefoot that provides a comfortable fit and built-in toecap to help protect against stubbing and bruising.