The North Face Furnace 40/4 Sleeping Bag

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Short Description
  • Temp Rating: 40°F/4°C
  • 550 fill ProDown™
  • Anti-compression layer composed of Heatseeker™ Eco synthetic insulation
  • Vaulted footbox and shaped hood for more warmth and comfort
  • Weight: 2 lbs 1 oz (935 g) [Regular]; 2 lbs 5 oz (1045 g) [Long]
Brand Name
The North Face
New for 2014! In warmer weather, this less tapered, forty-degree 550 fill ProDown™ bag offers more room for car camping and backpacking comfort.

Down is the warmest, lightest and most compressible insulation available, but its performance suffers when it gets wet. ProDown™ is a natural down insulation enhanced with a hydrophobic finish that improves warmth by allowing ProDown™ to dry faster than untreated down - and ProDown™ repels moisture up to 10 times longer than regular down.



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