Docs leathers. Docs silhouettes. New lightweight construction. In our Casual collection, we rework our classics through a contemporary lens. These Chelsea boots are built Docs leathers. Docs silhouettes. New lightweight construction. In our Casual collection, we rework our classics through a contemporary lens. These Chelsea boots are built on tough-yet-light Tract outsole with all our core DNA in place: yellow stitching and a scripted heel loop.Crazy Horse is a heavyweight leather with