The North Face The One Bag Mummy Sleeping Bag

The most versatile bag on the planet, The North Face One Bag Mummy Sleeping Bag is a clever 3-in-1 sleeping system that features interchangeable layers for 5, 20 or 40°F temperatures. 

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Features:

• For mild nights of 40°F or warmer, use the lightweight, synthetic outer layer (blue) on its own
• Removable (yellow) mid layer has lightweight, compressible 800 fill-power goose down for warmth down to 5°F
• Combine the blue outer and yellow mid layer for a super-warm, 5°F bag that’s suitable for winter camping
• Zippers allow easy transitions between the 3 configurations
  • Outer and inner quilt together: (5°F)
  • Outer bag without inner quilt: (20°F)
  • Inner Quilt:  (40°F)
• Mid layer also converts to a shawl for added versatility
• Bottom layer rolls up into a pillow for maximum comfort

Specs: 

 

Tested Lower Limit	17 / 38 degrees (F) – EN
Tested Comfort	29 / 46 degrees (F) – EN
Temperature Rating (F)	20 degrees (F), 40, 5
Temperature Rating (C)	-7 degrees (C), 5, -15
Weight	Regular – Left Zip: 4 lbs. 10 oz.
Shell	20-denier nylon
Zipper Location	Left/Right
Insulation Type	Down, Synthetic
Water-Resistant Down	Yes
Fill	800-fill goose down
Lining	20-denier nylon
Sleeping Bag Shape	Mummy
Fits Up To (in.)	Regular – Left Zip: 78 inches
Shoulder Girth (in.)	Regular – Left Zip: 61 inches
Hip Girth (in.)	Regular – Left Zip: 57 inches
Stuff Sack Size	10″ x 14″