Waterproof seam-sealed construction provides a drier foot environment. 200 grams of Omni-Heatâ" insulation protects you from the winter elements. Rated -25°F/-32°C. Cushioned EVA footbed for supportive comfort. Full-length Techliteâ" midsole for lightweight cushioning and comfort. Midfoot outsole wrap and support bar to add torsional rigidity underfoot. Non-marking Omni-Grip rubber compound with a winter-specific lug tread pattern for maximum traction in the