Big Agnes Yampa 45 Down Sleeping Bag

Big Agnes Yampa 45 Down Sleeping Bag


Ideal for warm weather bikepackers, backpackers, and anyone who can appreciate the ultra-compressibility of a lightweight, 650 fill DownTek™ Big Agnes System bag, the Yampa 45 offers cozy quilted construction with a lofty fill that compresses for optimum packing when a super warm bag isn't needed. Paired with a UL tent and pad, or maybe a hammock, and you've got a premium set up with maximum comfort.


  • Design improves connection between pad sleeve and bag providing a roomier sleeping space without adding bulk
  • Sculpted contour allows the bag to drape around you, increasing insulation performance
  • Free Range Hood design – gives you the freedom to lift your head while snuggled in the hood
  • Non-hooded design on Yampa is ideal for summer camping or use as an over bag 
  • Low profile cordlock lets you un-cinch the hood with one hand
  • Tapered vaulted foot box creates wiggle room for your feet without creating large cold air pockets 
  • Stretch fabric panel beneath hood creates a designated pillow pocket
  • 650 fill DownTek water repellent down repels water while maintaining insulating value
  • Integrated full pad sleeve creates a secure attachment to the bag
  • Rectangular shaped bag
  • Lightweight mini rip-stop micro fiber shell fabric for high performance and a soft feel
  • Polyester Taffetta lining
  • Quilted construction
  • Zipper Garage 
  • Mate together left and right zip bags
  • Interior fabric loops for sleeping bag liners
  • Exterior loops for hang drying or storage
  • Mesh storage sack & nylon stuff sack


  • Temp Rating: 45° F
  • Bag Size: Regular or Long
  • Fits Up To: Regular - 5'10"; Long - 6'6" 
  • Pad Size: Regular - 20" x 72"; Long - 20" x 78"
  • Bag Weight: Regular - 1 lb 13 oz; Long - 2 lb 1 oz
  • Insulation: 650 Fill DownTek
  • Compressed Size: Regular - 6" x 6.5"; Long - 6" x 7"
  • Stuff Sack Size: 7.5" x 15"

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