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Backcountry Bed Duo 20 / 700 DriDown

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Sierra Designs Backcountry Bed Duo 20, red with white stripe, laying flat fully closed

Double the pleasure, double the fun.  

With enough room to twist, turn over, and toss about, the Backcountry Bed Duo will be your go-to bag from here on out. With an integrated comforter to keep the drafts out, you and your partner will have all the amenities of sleeping like at home, regardless of where your adventure takes you.

Key Features

  • Specified for sleeping conditions down to 20 Degrees
  • Patent pending zipperless design allows for more comfort
  • Insulated hand/arm pockets help to seal out drafts
  • Patented self sealing foot vent for fast and easy ventilation
  • Stretch cord closure system helps to seal out drafts
  • Sleeping pad sleeve keeps pad under you for comfort and warmth and replaces unnecessary bottom insulation


  • Insulation: 700FP PFC-Free DriDown
  • Shell Fabric: 20d polyester ripstop
  • Liner Fabric: 20d polyester taffeta

Tech Specs

  • Temp Rating: 20F / -7C
  • Fill Weight: 37 oz / 1050 g
  • Minimum Weight: 4 lbs 10 oz / 2110 g
  • Sleeping Pad Sleeve Circumference: 45.5" / 115.6 cm or 55.5" / 140.9 cm
  • Fits Sleeping Pad (WxH): 2 x 20"/51cm or 2 x 25"/64cm
  • Fits Up To: 6' 4" / 193 cm
  • Length: 84in / 213 cm
  • Shoulder Circumference: 107" / 272 cm
  • Hip Circumference: 105" / 267 cm
  • Footbox Circumference: 92" / 234 cm
  • Mesh Stoarge Bag Size (LxW): 26 x 13" / 66 x 33 cm
  • Stuff Sack Size (L x W): 17 x 11" / 43 x 28 cm
Gender: Unisex
Insulation: DriDown
Temperature Rating: 20 Degree

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    Product Reviews


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    1. Love it!

      We love using this sleeping bag, so much better than zipping two together. We use it for for camping. It's easy to get in and out of without disturbing each other, for one person to lift the blanket off but the other person to keep the blanket on. It's nice to have room and feels much roomier that being in a sleeping bag. It's great being able to slide the pads together in the back so there's no gap. Have used the lighter one in the past but we wanted a heavier one for chillier nights. The only thing that would make it even better is, as a side sleeper, being able to move your knee or leg in and out a bit more. on May 4th 2018

    2. Mixed

      Just took this bag on a 21 day grand canyon rafting trip with my boyfriend. Pros: the Bag is warm, and packs impressively small. Cons: the hood does not cinch closed, which made it super difficult to sleep outside in windy conditions, and really affects it's warmth in cold conditions. The foot escape hatch is not sufficient to actually get a leg out for temperature regulation. Many nights we wished we could open it up all the way and sleep under it, but that's not possible. We often felt pretty trapped in it to be perfectly honest. It seems to have a narrow temperature range in which it's super comfortable. Maybe around 30-40 degrees F? I'm honestly regretting the purchase, as we might only use it with extreme modifications, like cutting the bottom off entirely. on Apr 26th 2018

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