Filled with 850+ Fill Power ethically-sourced premium goose down V-Block side baffles provides phenomenal down control and improves insulation in colder temperatures Weather-resistant Gore Infinium shell protects against extreme wind and moisture, while maximizing inner breathability Two Interlocking Draft Tubes seal the sleeping bag against cold wind and help retain inner temperature Offset Insulated Double Draft Tubes. Durable, abrasion-resistant footbox lining great for storing heavy boots & alpine equipment Gore-Lined insulated external hood ruff seals the bag out from freezing temperatures while retaining internal heat Comes with ultralight stuff sack and breathable mesh storage bag 4 lbs. 10 oz. Total Weight