Millet World Roof Sleeping Bag: -4 Degree Down

For high camp.

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Millet's warmest sleeping bag, the World Roof -4 Degree Down Bag was designed and built to offer warmth and comfort in the high alpine. The wider expedition mummy shape provides additional space in the bag to accommodate additional down gear, but is still anatomical enough to retain excellent thermal efficiency when every ounce of warmth is necessary to stay warm.

For insulation, the World Roof utilizes a hydrophobic 800-fill down to offer an exceptional warmth-to-weight ratio and repel whatever moisture your bag might encounter, so it's not game over if wet gear or drying boot liners come in contact with the bag. Millet included a waterproof compression sack to protect the bag when it's in your pack. The bag's main fabric is composed of a robust 30-denier ripstop nylon for lightweight druability, and the 3D construction helps to maximize loft while limiting down migration, delivering a cozy night's sleep in high and cold elevations.

  • -4F EN lower limit; 10F EN comfort rating
  • 800-fill K DRY hydrophobic down insulation
  • Expedition mummy shape
  • 30D nylon ripstop fabric
  • 3D construction
  • 1/2-length zip
  • Shaped hood with drawcord
  • Draft tube and collar
  • Waterproof compression sack included
  • 3lb 9oz average weight

Tech Specs

Material 30D nylon ripstop Insulation 800-fill K DRY hydrophobic goose down
Shape expedition mummy Zipper left/right
Max User Height 6 ft 5 in Shoulder Circumference 33.5 in
Foot Circumference 19.5 in Bag Length 88.6 in
Draft Tube yes Pockets 1 interior
Fill Weight 2 lb 3 oz Degree -4 F
European Norm Comfort Rating 10 F European Norm Lower Limit Rating -4 F
Stuff Sack yes, waterproof Claimed Weight 3 lb 9 oz
Recommended Use alpine & expedition Manufacturer Warranty 3 years

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Reg. $649.95

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