My Cart


The North Face One Bag Duo Interchangeable 3:1 Down Mummy Sleeping Bag (5F/-15C)

$649.99 CAD NF0A81CY

A double-wide, extra-warm sleeping bag for varied climates. The North Face One Bag Duo is an extension of the industry-leading, innovative One Bag Interchangeable 3-in-1 Sleep System platform, featuring 800 fill ProDown insulation and a shell made with recycled materials, the two-person One Bag Duo provides the ultimate in comfort for any conditions, whether you’re a beginner looking for flexibility or an experienced camper who’ll be in a range of climates.
  • Top layer features synthetic insulation rated at 40°F (4°C) for versatile use in warmer weather
  • Mid layer features 800 fill recycled down rated at 20°F (-7°C) for high-level performance in adverse conditions
  • The two layers can be paired to get a 5°F (-15°C) bag for maximum versatility
  • Down layer can be used as a stand-alone quilt for campsite lounging
  • Large, fitted hood accommodates pillows and arms-over-the-head sleepers
  • Anti-compression layer on back is composed of synthetic insulation
  • Durable YKK zipper
  • Vaulted footbox
  • Included compression sack is fleece on the inside so you can use it as a camp pillow
  • Color: Supersonic Blue/Arrowhead Yellow
  • Sizing: Interchangeable: 5F [-15c] / 20F [-7c] / 40F [4c]
  • Zipper Location: Left Hand or Right Hand
  • Length: 
    • Regular:
      • Length: 90"  [229cm]
      • Shoulder Girth : 61" [154cm]
      • Hip Girth : 56" [142cm]
      • Foot Box Girth: 35" [90cm]
    • Long: N/A
  • Total Weight:  
    • Regular: 6lbs 3.4oz [2818g]
  • Temperature Rating: 5F [-15c] / 20F [-7c] / 40F [4c]
  • Compressed Volume: 
  • FABRIC: 
    • 20-degree shell 20D recycled nylon taffeta with non-PFC durable water-repellent (non-PFC DWR) finish
    • 20-degree insulation 800 fill recycled down
    • 40-degree shell 20D recycled nylon ripstop with non-PFC DWR finish
    • 40-degree insulation HeatSeeker Eco Advanced 80% recycled polyester
  • Stuff Sack Size:
    • Regular:  15'' x 17'' [38cm x 43cm]
  • Usages:  Camping, Fall/Winter Camping, Spring/Summer Camping, Car Camping, Cottage Camping

Insulation: 800-Fill Recycled Goose Down & Lightweight Recycled Synthetic Outer Layer

Effective 3-in-1 sleeping system Warmth & Comfort

  • For mild nights of 40°F [4c] or warmer, use the lightweight, synthetic outer layer on its own.
  • Removable mid layer has lightweight, compressible 800-fill-power goose down for warmth down to 20°F [-7c].
  • Combine the outer and mid layer for a super-warm, 5°F [-15c] bag that's suitable for winter camping.