Big Agnes Crosho UL -20 Down Sleeping Bag

Big Agnes Crosho UL -20 Down Sleeping Bag


The redesigned Crosho UL -20 ultralight sleeping bag is made to withstand the rigors of high alpine bivies, be warm enough for the most extreme environments, pack efficiently, and weigh next to nothing. Built with a superlight, high-tear strength shell, 850 fill DownTek insulation, and body mapped, thermally efficient baffles, this bag has you covered when conditions make that a necessity.


  • Traditional mummy shape allows for light weight and increased thermal value
  • Body mapped baffle construction optimizes thermal efficiency
  • 3-D anti-snag draft tube prevents heat loss along the zipper
  • Vertically structured side walls integrating contoured baffles trap heat closer to the body
  • Contoured hood baffles cradle the head for a more comfortable fit
  • Oversized interior anti draft collar
  • Ergonomic foot box construction provides more loft and warmth
  • Superlight shell fabric with high tear strength
  • DownTek™ water repellent down repels water while maintaining insulating value
  • Low profile cordlock lets you un-cinch the hood with one hand
  • Minimal zipper cuts weight and reduces cold spots
  • 40"/102cm YKK #5 zipper
  • Zipper Garage
  • Interior fabric loops for sleeping bag liners
  • Streamlined exterior loops for hang drying or storage
  • Mesh storage sack & nylon stuff sack
  • Nylon rip-stop lining
  • Insotect Flow™ construction


  • Temp Rating: -20° F
  • Bag Size: Small, Regular, or Long
  • Fits Up To: Small - 5'5"; Regular - 5'10"; Long - 6'6" 
  • Pad Size: Small - 20"x66"; Regular - 20"x72"; Long - 20"x78"
  • Bag Weight: Small - 2 lb 9 oz; Regular - 3 lb 0 oz; Long - 3 lb 4 oz
  • Insulation: 850 Fill Downtek
  • Compressed Size: Small - 8"x8"; Regular - 8"x9"; Long - 8"x10"
  • Stuff Sack Size: 9" x 20"

Related Products