Retailers' Descriptions

Here's what other sites are saying:

This is the ultimate dream factory, creating easy sleep even in frosty temps. Marmot constructed this feature-rich bag with ultra-lightweight Pertex Quantum


Made for minimalist missions where accounting for every ounce is crucial, the Marmot Phase 20 Sleeping Bag helps you sleep comfortably in cold temps without burdening your backpack with excess weight. Its ultralight, heat-maximizing design makes it ideal for arduous excursions into the backcountry and gear-intensive climbing missions. 850-fill Power Down packs amazing amounts of heat into an extremely lightweight and compressible package, and Down Defender protects it from moisture so you don't start shivering when soggy conditions strike. The ergonomic design, smooth-curved baffles, and Nautilus multi-baffle hood maximize heat retention to keep things streamlined without sacrificing comfort. Basically everything about the Phase 20 adds up to create one of the most advanced outdoor sleeping systems on the market.


This is the ultimate dream factory creating easy sleep even in frosty temps. Marmot constructed this feature-rich bag with ultra lightweight Pertex Quantum GL fabric and filled it with water-resistant 850-fill-power down in a baffled construction, which reduces cold spots.

- Summit Hut

The Marmot Phase 20 Sleeping Bag is a mummy shaped bag for sleeping in 20&degF nights. Pack up and don't be afraid to compress this one, it's filled with 850 fill power down, making it nice and light and ready to stuff into your backpack. The down has also been treated with Down Defender, making it resistant to moisture, since you never know what kind of weather you may get. Snuggle in and pull the hood on for a toasty nights rest. Features of the Marmot Phase 20 Sleeping Bag Anatomical wrap-around footbox increases Insulation and room for your feet More warmth and comfort Smooth-curved baffles reduce down shifting Nautilus multi-baffle hood limits heat loss Full length locking YKK two way zipper with anti-snag slider reduces fabric snagging

- Moosejaw

Marmot Phase 20 Down Sleeping Bag - The Phase 20 Down Sleeping Bag from Marmot is the most evolved sleeping system on earth. You've never had more toe room thanks to the Anatomical Wrap-Around Footbox. The Smooth-Curved Baffles restricts the water-resistant Down Defender-treated 850FP stuffing from shifting too much, while the Nautilus Multi-Baffle hood limits heat loss from the top. The Phase 20 is EN Tested Comfy at 29.5 deg F (-1.4 deg C), Lower Limit at 18.5 deg F (-7.5 deg C). A full length locking YKK Two-Way zipper with Anti-Snag Slider reduces fabric snagging. All Phase bags are Filled and Finished in Rohnert Park, CA. For an ultralight, ultra-insulated, evolved sleeping experience, dip your toes into the Marmot Phase 20 Down Sleeping Bag.

- Outdoorplay

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