Gray Suede & black rubber winter Committed to keeping you warm and dry in the cooler months, the Winter Carnival boots are crafted from a waterproof nylon upper using seam-sealed waterproof construction for optimum protection. Internally, the cosy 6mm felt boot is both removable and washable, and is created from recycled materials. Externally, the boots sit upon a handcrafted waterproof vulcanized rubber shell with herringbone outsole for additional grip and support underfoot. CSD-0043