Conquer the cold in the TERRA® Crossbeam. This cold climate work boot is built with a removable 3-layer lining system and 400 grams of Thinsulate™ Ultra insulation to keep you warm down to -40°C/-40°F. The full grain, water-repellent leather upper is triple-stitched and seam-sealed to a PU shell bottom that stays flexible in extreme weather. Protection comes from a composite toe and composite plate mounted on top of a high-traction rubber outsole with a diamond cleat pattern designed for cold-weather grip.