POLAR-RATED EXTREME COLD PERFORMANCE - Designed for the most punishing conditions on Earth, the Baffin Men's EIGER Boots are Polar Rated and tested in both the North and South Poles; These insulated winter boots provide unmatched protection in extreme cold environments from -45 degrees C to -49 degrees C, even with low activity levels ULTIMATE MULTI-LAYER INSULATION SYSTEM - The removable Comfort-Fit inner boot system includes Thermaplush, B-Tek Foam, PolyWool, Hydromax layers, and a Vapourized Aluminum Membrane; Combined with double B-Tek Heat insulation and a dual aluminum insole, these snow boots trap warmth and regulate temperature for long-term wear SNOWPROOF & SNOWSHOE COMPATIBLE - Featuring a tall, full-grain leather upper with a locking snow collar and built-in gaiter, the EIGER boots for men seal out snow and moisture; Snowshoe compatibility and an Arctic Rubber shell offer flexibility and durability in extreme snow or ice-covered terrain WATERPROOF & WIND-RESISTANT CONSTRUCTION - Built with B-Tek Dry Waterproof Base technology, these waterproof hunting and fishing boots offer the highest level of wet protection while supporting breathability and wind resistance; Seam-sealed construction ensures dryness even in slushy or icy environments SECURE FIT & ARCTIC GRIP TRACTION - Equipped with double Velcro straps, pull loop, and Polar Rubber outsoles with aggressive tread, the EIGER delivers a custom fit and excellent grip on frozen surfaces; EVA midsoles provide lightweight cushioning, ideal for ice fishing, mountaineering, or snowshoeing in polar conditions