The Columbia Men's Expeditionist Winter Boots are designed with many technology features for your outdoor adventures. They have Omni-Tech™ waterproof-breathable with a saline-resistant leather upper with metal hardware for durability. The Techlite+™ midsole and Omni-Heat™ Infinity reflective lining will allow you to stay warm and comfortable with stability in every step. These boots have Adapt Trax™ outsole that provides exceptional traction during wet and dry conditions. The Columbia Men's Expeditionist Winter Boots will keep you afloat from trailhead to trailhead.