Waterproof insulated mid-calf boot designed to keep you warm and dry in the coldest wettest conditions. Waterprrof Nubuck leather and waterproof fine-nap suede leather upper with Australian shearling sheepskin collar and 400 grams of Primaloft insulation. Injection moulded TPU shell with nylon shank and forefoot flex grooves. EVA midsole. TNF Wintergrip rubber outsole.