Crocs Echo Clogs In Nightfall Navy. Navy uppers which feature ventilation holes at the sides and an embossed signature Crocs logo on the upper section. Featuring a turbo heel strap with woven detail in grey also featuring the signature Crocs woven logo patch. A textured croslite foam footbed which moulds to your foot for a custom fit with a scultpured croslite foam construction sole in grey. Product ID: 203263 Crocs Echo Clogs Navy