Rocky BlizzardStalker Max Waterproof 1400G Insulated Boot Black Featuring 200 grams more insulation than the original Blizzard Stalker, the Rocky Black Blizzard Stalker Max Waterproof 1400G Insulated Boot keeps your feet warm no matter the temperatures. This boot also has a waterproof Leather upper and 1 year vapor pass breathable recycled membrane waterproofing making sure you dry and comfortable. Paired with SHIELD guard will protect against tears and moisture, making this a boot that will stand up to the elements and get the job done. 1,400 grams of 3M™ Thinsulate™ Ultra Insulation Light and flexible cement construction Integrated TPU heel stabilizer Aggressive multi-directional rubber outsole Nylon shank Waterproof leather upper Rocky Rebound Footbed SHIELD Guard- Extra layer of protection for upper Cushioned EVA midsole 1 Year Vapor Pass Breathable Recycled Membrane Waterproofing Molded Neoprene Foam Padded Collar Rocky BlizzardStalker Max Waterproof 1400G Insulated Boot Black