Rugged Scotchgard^®-treated canvas upper with moulded rubber toe for weather resistance.   Speed-lacing system for maximum convenience and adjustability.   Vaporex^® heat-retaining insole system for extra insulation and cushion.  Thinsulate^® lining for extra warmth on cold days.  Sealtex^® bootie construction.  Lightweight, cushioned EVA midsole with self-cleaning rubber outsole