The warmest and most comfortable winter hiking boots in the Keen line-up, the Keen Men's Revel Boots will give you traction, warmth and breathability. A waterproof leather upper has the KEEN.DRY waterproof and breathable membrane to keep snow and slush out while managing moisture inside the boot. These Keen boots have KEEN.WARM insulation around the foot and Heat Trapulator insulation under the foot to create a cozy environment. A TPU shank gives you support and stability to reduce foot fatigue over longer distances and uneven surfaces while the KEEN.DCR outsole has aggressive rubber lugs for burly traction on packed snow. Whether you're walking the dog around the block on a single-digit morning or you're enjoying a quiet snowshoe through the woods, the Keen Revel Boots for men give you unbeatable performance in winter conditions.