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Item #: bag0121

Big Agnes

Hahns Peak SL -20 Sleeping Bag (800 Down)

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  • Half pad sleeve shown with various pad options
Product Information

Product Information For The Big Agnes Hahns Peak SL -20 Sleeping Bag (800 Down)


Brand Big Agnes
Weight 3 lb 6 oz; 3 lb 10 oz (long)
Max User Height 6 ft 0 in (Regular), 6 ft 6 in (Long)
Shoulder Girth 67.5 in; 72.5 in (long)
Fill Weight 32.5 oz; 35 oz (long)
Insulation 800 Fill Goose Down
Insulation Type 800+ Down Insulation
Packed Size 8x9 in; 8x10 in (long)
Temperature Range Below 0°
Temperature Rating -20°


800 Fill Goose Down and 28 oz of fill weight combine to make the Big Agnes Hahns Peak SL a comfortable high alpine mummy sleeping bag. Draft collars around the neck, zipper and pad connection point keep out the cold air and seal in warmth. At only 3 lb 6 oz and a compressed size of 8x9 in, the Hahns Peak sets the standard for high alpine sleeping comfort. Like all Big Agnes Sleeping Bags, the Hahns Peak requires a pad. We recommend a Two Track mummy pad. for the regular get a 20x72x2 in. mummy pad and for the long you'll need a 20x78x2 in. pad.


  • Integrated pad sleeve. Never roll off your pad again.
  • Mummy shape decreases weight & packed size.
  • Recycled mesh storage sack & nylon stuff sack included.
  • Built in pillow pocket holds a fleece or Big Agnes pillow.
  • Interior fabric loops for sleeping bag liners.
  • 60" YKK #5 zipper. Mate together our left and right zip bags with same size zipper.
  • No-draft collar seals around neck to keep cold air from sneaking in.
  • No-draft wedge insulates the connection between the bag and pad.
  • No-draft zipper tube insulates along the length of the zipper.
  • Shell and Pad sleeve: Toray fabric. Ultralight, high thread-count, rip-stop nylon with Kudos FP super durable water repellency technology.
  • Lining: Nylon taffeta
  • LEFT OR RIGHT ZIPPER? When you are in the bag, on your back, the right zip will be on your right side, left zip on your left side.

Reviews For The Big Agnes Hahns Peak SL -20 Sleeping Bag (800 Down)


by PowerReviews
Big AgnesHahns Peak SL -20 Sleep Bag (800 Down)

(based on 2 reviews)

Reviewed by 2 customers

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Great Bag

By Tony/Gone Again

from Colorado

About Me Avid Adventurer

Verified Buyer


  • Believer Out Of Me
  • Comfortable
  • Lightweight
  • Packs Small
  • This Bag Made A Big Agnes
  • Warm


  • Not Cold Enough Yet

Best Uses

  • 3 Season Camping
  • Backpacking
  • Car Camping
  • Climbing
  • Cold Conditions

Comments about Hahns Peak SL -20 Sleep Bag (800 Down):

Camped around 13,5 / Couldn't use the hammock,no trees.Had the bievy with an air mattress and slep just fine. Caught some nice trout that trip!

  • What Is Your Gear Style:
  • Minimalist
  • Was this a gift?:
  • No

(1 of 1 customers found this review helpful)


Good warmth at minimal weight

By Terkking Rob

from Seoul, Korea

About Me Avid Adventurer

Verified Buyer


  • Packs Small
  • Warm


  • Zipper Snags Easily

Best Uses

  • 4 Season camping
  • Backpacking
  • Cold Conditions

Comments about Hahns Peak SL -20 Sleep Bag (800 Down):

I used it for 5 nights in temps ranging from 0F to -15F. Plenty warm. I did use 2 mats (foam on the floor, xlite in the bag).

The no insulation on the bottom totally makes sense as compressed down doesn't do anything for you.

Only gripe is closing the zipper from inside.. gets snagged alot...

  • What Is Your Gear Style:
  • Comfort Driven
  • Was this a gift?:
  • No

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Questions & Answers

Q & A For The Big Agnes Hahns Peak SL -20 Sleeping Bag (800 Down)

About Big Agnes

Big Agnes

Big Agnes, The Mothe Of Comfort. Maker of award winning tents, sleeping bags, pads and apparel. Big Agnes offers a 100% Guaratnee on all of their products. Their number one priority is to make functional and dependable outdoor products and provide great customer service. If you are not satisfied with any Big Agnes product at the time you receive it, return it us at or a full refund. If one of our products does not perform to your satisfaction, contact us.

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