Buffbuck is a nubuck leather with a natural grain character that feels soft and worn in from step on Our lightest air-cushioned sole yet. The Crewson sole fuses rubber and PU in a new utilitarian construction Construction - Made with a flexible cemented sole construction for all day comfort Footbed - Wider and a more rounded toe shape Care Instructions: Wipe away dirt using a damp cloth. These are new without the box.