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Sierra Designs Middle Mountain 20° Synthetic Sleeping Bag

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Sale price $99.99

Leaves our warehouse in 2 business days.

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Check out the mountain of evidence to show that the Middle Mountain 20°F Synthetic Sleeping Bag is a great Sleeping Bag for your summer camp and other camping needs! Its mummy style shape makes for optimal thermal efficiency. And it’s packed using 550 fill hydrophobic down that’s lightweight and compressible for convenient packing but still providing great warmth to keep you cozy on a night as cold as 20°F. The Middle Mountain is a PFC-free mummy bag constructed from recycled materials for a sustainable sleeping system that really delivers on comfort when you’re out roughin’ it. Equipped with SierraLoft™ synthetic insulation and a durable water repellent shell, you’ll stay warm and dry even when conditions are damp and cold. Cinch in the heat around your head with its adjustable hood. Convenient details like an anti-snag zipper, internal stash pocket for nightly essentials, and the included compression sack make things as comfortable as possible. Sleep tight.


  • Material: 68D Partially Recycled Polyester Shell
  • 20°F Mummy Style Sleeping Bag
  • 68D Partially Recycled Polyester Pongee Liner
  • PFC-Free C0 DWR
  • SierraLoft™ Synthetic Insulation Traps Warm Air and Keeps it Close to your Body
  • Optimal Shape for Thermal Efficiency
  • Hood Cinch Locks in Heat
  • Internal Stash Pocket Provides Convenient Storage
  • Anti-Snag Zipper Tracks for Easy Use with a Draft Tube along the Zipper to Trap Warmth
  • Comes with Compression Stuff Sack for Compact Storage
  • Weight: 3lb 15.3oz
  • Fill Weight: 48oz
  • Fits To: 72"
  • Length: 80"
  • Shoulder Circumference: 60"
  • Hip Circumference: 58"
  • Foot Circumference: 40"
  • Stuff Sack Size: 10 x 11”
  • Lifetime Warranty

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