Crocs Duet Max II clogs - a rugged take on the classic Crocs clog with an adjustable slingback and treaded sole. Iconic Crocs Comfort keeps them lightweight, flexible, breathable and buoyant. Since 2002, Crocs has offered a growing collection of shoes in a versatile array of colors and functions, all united by a common innovative material that’s comfy and durable for wherever your feet may take you.