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forum thread Posted by SociableJuice997 • Jan 17, 2025
forum thread Posted by SociableJuice997 • Jan 17, 2025

Big Agnes 40°F Pluton Ultralight Minimalist Down Sleeping Bag - 850 Fill Power, Mummy $149

$149

$275

45% off
SIERRA
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Big Agnes' 40°F Pluton Ultralight Minimalist down sleeping bag, made from lightweight, durable, water-resistant Pertex® Quantum nylon with toasty DownTek water-repellent down insulation, a drawcord hood and ergonomic footbox.
  • Tightly woven Pertex® Quantum nylon shell and lining is soft, lightweight and retains heat
  • Durable Water Repellent (DWR) finish
  • 850 fill power DownTek water-repellent down retains warmth even when wet
  • Full-length two-way zipper with zip garage
  • Minimalist hood design with drawcord
  • Low-profile cordlock lets you easily un-cinch hood with one hand
  • Ergonomic footbox construction for more loft and warmth
  • Streamlined outer loops for hang drying or storage
  • Includes stuff sack
  • Imported

https://www.sierra.com/big-agnes-...y~p~2wyxh/
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Deal Details
Community Notes
About the Poster
Big Agnes' 40°F Pluton Ultralight Minimalist down sleeping bag, made from lightweight, durable, water-resistant Pertex® Quantum nylon with toasty DownTek water-repellent down insulation, a drawcord hood and ergonomic footbox.
  • Tightly woven Pertex® Quantum nylon shell and lining is soft, lightweight and retains heat
  • Durable Water Repellent (DWR) finish
  • 850 fill power DownTek water-repellent down retains warmth even when wet
  • Full-length two-way zipper with zip garage
  • Minimalist hood design with drawcord
  • Low-profile cordlock lets you easily un-cinch hood with one hand
  • Ergonomic footbox construction for more loft and warmth
  • Streamlined outer loops for hang drying or storage
  • Includes stuff sack
  • Imported

https://www.sierra.com/big-agnes-...y~p~2wyxh/

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1 Comment

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Jan 18, 2025
2,911 Posts
Joined Oct 2008
Jan 18, 2025
majorhavoc
Jan 18, 2025
2,911 Posts
A fairly comprehensive review that comes across as honest/impartial in spite of the disclaimer at the end that Big Agnes provided the product for the review. Cliff Notes version: makes the most sense for smaller framed individuals who value weight savings over all else.

https://sectionhiker.com/big-agne...ag-review/

ETA: I have an older 600 fill semi-rectagular (no hood, zipper extends across the tapered foot box) bag that once upon a time had a 40 degree rating. If all you're used to is synthetic fill bags, it's shocking how small these higher quality ultralight down sleeping bags pack down to. Stored in its stuff sack, mine is the size of a small loaf of bread.