All weather insulated waterproof winter boot. 2.0-2.2mm waterproof full grain leather upper. Double adhesive lates seam sealed construction. 200 gram Thinsulate insulation. Dry-lex fleece collar and tounge lining. Anatomically engineered, injection moulded waterproof TPU shell with fore foot flex grooves. Injection moulded shank plate with dual density X-2 footbed. EVA midsole. TNF Wintergrip rubber outsole.