Fitwell Sirius WinterSuede upper made of a single folded piece leather to get a seamless shoe tongue. Overlapped anti abrasive carbon reinforcement on the leather. Thermal insulation and quick drying system of the lining made with recycled materials and coupled with waterproof membrane. Double shoe collar in soft full grain leather. Shoe tongue and bellow are specifically designed for a customized wrapping closure. Inner tongue in full grain leather, adjustable for a