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.