The North Face Shellista Lace boot is perfect for cold, icy climates. This warm and waterproof boot features a seam-sealed, waterproof, DWR-coated mesh upper with full-grain leather and suede trim for extreme water and weather resistance. Insulated entirely with PrimaLoft™ Eco to keep feet warm in conditions as low as -25 degrees. Engineered with a waterproof shell with a forefoot flex groove on the bottom for ultimate traction. Wt. 22 oz.