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Bringing fire to frigid adventures.

Look to The North Face's Inferno Sleeping Bag for reliable warmth and protection in sub-zero conditions. Stuffed with lofty 800-fill down insulation, the Inferno has an extremely high warmth-to-weight ratio. The North Face treated this down with ProDown to retain its warmth in wet weather, and NeoVent Air fabric gives the hood, footbox, and back extra water-resistance.

A generous mummy shape lets you sleep in the Inferno without taking off your alpine apparel. The North Face equipped this bag with a cinch-cord at the hood to seal out the cold, a full draft collar to keep winds at bay, an internal pocket to insulate valuables and electronics, and a center half-length zipper for easier in-and-out.

  • -20F temperature rating
  • 800-fill ProDown insulation
  • NeoVent Air hood, footbox, and back
  • Generous mummy shape
  • Hood cinch-cord
  • Full draft collar and overlap
  • Center half-length zipper
  • Internal pocket
  • Compression sack and storage sack included

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Here's what others have to say...

Fill weight?

Thanks a lot.

Best Answer


My good friends over at TNF were able to help me get this info for you.

Fill Weight's are as follows:

Reg: 2lbs 4.7oz (1034g)

Long: 2lbs 7.5oz (1122g)

Shoot me an email anytime you have questions!

Jared D.

Expert Gearhead