The North Face Himalayan Mitt is ruggedly reinforced version of the ultimate mountaineering classic, featuring high-quality goose down and Primaloft insulation for protection in the most frigid conditions. The outer shell is constructed with Gore-Tex Windstopper fabric making in windproof, highly water-resistant, and breathable. The palm is made of Pittards Armortan leather which is both durable and soft making it easier to grip and hold items. Surface mounted adjustable cuffs are single-hand operable and there is a Ladderlock wrist-cinch. Even on 8000 meter peaks you fingers will be toasty warm inside this 800-fill down mitt.