Tested and certified for use down to -30°CPadded upper - Designed to keep in the warmth and prevent exposure from cold air inlets200J Composite Toecap - The same protection as steel without the weightInsulation - Warm and breathable insulationNatural Rubber sole - Added grip & durabilityComposite Midsole - Protecting your feet from unexpected hazards  Ergonomically shaped heel & toe areaFur lined footbed increases comfort and warmthPadded tongue for extra comfortExtra Long Laces  Tested against the cold. ENDURANCE LACE UP FREEZER BOOT IW460