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Big Agnes Tumble Mountain Sleeping Bag (20 Deg) closeout

On Sale: $199.9931% Off. Regularly: $289.95

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The Big Agnes Tumble Mountain divide recycled sleeping bag offers a generous 725 fill goose down insulation with Insotect Flow construction that helps improve body contouring. The mummy shape of the Tumble Mountain provides a roomy, comfortable nights sleep while decreasing overall weight and packed size. With this Big Agnes sleeping bag, no more restless nights will be wasted rolling off of the sleeping pad underneath your bag, as this design was ingeniously constructed with an integrated pad sleeve sewn into the bag for the pad to slide into effortlessly. With the built-in pillow pocket, forget about packing a pillow with your sleeping bag. Instead, stuff a fleece or down jacket in the pocket and enjoy functionality, with out added weight to your pack. Sleeping two offers no obstacles as the YKK #8 zippers allows you to mate together any left and right zip bags, provided you have the same zipper size. The Big Agnes Tumble Mountain 20 degree sleeping bag comes complete with both a recycled mesh storage sack, along with a nylon stuff sack.

Key Features

  • Features (patent pending) Flow Construction, made by Insotect for Big Agnes, which revolutionizes down sleeping bag design
  • Half pad sleeve with adjustable strap holds ANY 20" wide rectangular or mummy shaped pad
  • Recycled mesh storage sack & nylon stuff sack included
  • Interior fabric loops for sleeping bag liners
  • No-draft collar seals around neck to keep cold air from sneaking in
  • No-draft zipper tube insulates along the length of the zipper
  • Lining: 100% recycled polyester taffeta with stain resistant finish
  • Flow Construction (patent pending) by Big Agnes/Insotect eliminates lateral and vertical down shifting by using vertical chambers with internal Flow Gates to regulate fill positioning and density. Strategically placed Flow Gates inside the vertical chambers minimize vertical down shifting while vertical chambers themselves minimize lateral shifting. The continuous Flow chambers eliminate potential cold spots which can occur with side seams and contour to the body for increased user comfort
  • Integrated pad sleeve with unique design keeps you securely attached to the pad from the hips up while allowing freedom of movement for your legs- more like a traditional mummy bag. Never roll off your pad again
  • Mummy shape decreases weight & packed size
  • Built in pillow pocket holds a fleece or Big Agnes pillow
  • 70" YKK #8 zipper made from recycled materials. Mate together our left and right zip bags with the same size zipper
  • No-draft wedge insulates the connection between the bag and the pad
  • Shell and Pad sleeve: Lightweight 100% recycled polyester rip-stop with WR surface treatment to repel water
  • LEFT OR RIGHT ZIPPER? When you are in the bag, on your back the left zip will be on your left side


Size Regular Long
Pad Size Any 20" wide Any 20" wide
Fill Type 725 fill goose down 725 fill goose down
Fill Weight 15.5oz 17oz
Bag Weight 3lb 3lb3oz
Shoulder Girth 67.5" 72.5"
Hip Girth 64" 69"
Foot Girth 43" 44"
Stuff Sack Size S-7.5" x 15" S-7.5" x 15"
Compressed Bag Size 7" x 7" 7" x 8"