The North Face Inferno -40°F/-40°C Sleeping Bag

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FUTURELIGHT was born in the mountains out of specific requests from our global athlete team members looking for increased performance and breathability in their waterproof gear. Developed using innovative nanospinning technology, FUTURELIGHT allows The North Face to adapt and optimize the air permeability, stretch and softness of waterproof apparel depending on the activity or environment

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The North Face Inferno -40°F/-40°C Sleeping Bag 

A dependable workhorse for expeditions in the world's harshest environments with temperatures down to -40 degrees, this lofty Summit Series bag is insulated with water-repellent 800-fill ProDown and constructed with a wider, roomier cut and a center zip to make it easier to get in and out.



  • 800 fill ProDown
  • Product certified to the Responsible Down Standard (RDS) by Control Union
  • Generous cut allows you to wear more layers or to move as you like in the bag
  • Full draft collar and integrated draft overlap for comfort and to prevent heat loss
  • Water-resistant NeoVent Air fabric on hood, footbox and back
  • Trapezoidal side baffles to prevent down migration
  • Center zipper for easier access
  • Internal pocket for insulated storage
  • Hood cinch-cord seals out the cold
  • Fitted hood for more warmth and comfort
  • Anti-compression pads for better clo values
  • Vaulted footbox
  • Compression sack and storage sack included
  • Fits up to 183 cm (Regular) or 201cm (Long)
  • Weight: 1758g (3lbs 14oz) - Regular or 1928g (4lbs 4oz) - Long
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