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.
- 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 20°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
- Mid layer also converts to a shawl for added versatility
- Bottom layer rolls up into a pillow for maximum comfort