Western Mountaineering UltraLite Sleeping Bag 20F

Our award-winning, best-selling three-season sleeping bag. Featuring our state-of-the-art ExtremeLite™ shell fabric, an efficient mummy shape and 850+ fill power ethically sourced goose down, the UltraLite is the perfect companion for any, or all, of your backcountry adventures. Whether it’s the John Muir Trail or a weekend getaway, the UltraLite has all the features you need to stay warm on the trail, without sacrificing weight, durability or volume.

• Filled with 850+ Fill Power ethically-sourced premium goose down
• Continuous baffles allow you to shift down for more insulation in colder weather
• Full-length #5 YKK zipper provides a smooth, easy unzipping experience while saving weight
• Insulated Draft Tube blocks cold air and keeps the torso better insulated
• Breathable 12 denier ripstop nylon outer shell makes bag ultralight yet durable
• Fully insulated draft collar seals in inner heat without adding much weight
• Comes with ultralight stuff sack and breathable mesh storage bag
• 1 lb. 13 oz. Total Weight