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Big Agnes
Torchlight UL Sleeping Bag: 20F Down - Women's

4.5 out of 5 stars
2 Reviews
Current price: $337.46 Original price: $449.95
25% off



Why We Like The Torchlight UL Sleeping Bag

The Big Agnes Torchlight collection consists of unique, expandable sleeping bags, and the Women's Torchlight UL 20 Sleeping Bag is a lighter version of the warmest Torchlight. Dual zippers allow you to expand the bag by about five inches to accommodate different clothes for different conditions. Slide the zippers down for extra room when you're wearing insulators, or if you simply want more room, and slide them back up to keep you snug in summer clothing. Big Agnes made this bag lighter, packable, and more protective for alpine environments. Its 850-fill down insulation is the lightest, most compressible down that Big Agnes uses, and Big Agnes treated the down to retain its lofty warmth in wetter environments.


  • Light, packable version of expandable sleeping bags for backpacking
  • 850-fill down insulation maintains a 20F temperature rating
  • DownTek hydrophobic coating keeps the down warm in wetness
  • Dual slide zippers expand the bag's width for extra room
  • Riptsop shell treated with water-resistance for extra protection
  • Draft tubes cover full-length zipper and Free Range Hood
  • Storage and stuff sacks included
  • Item #BAGZ28I
[face fabric] ultralight nylon mini ripstop, [lining] lightweight polyester taffeta
850-fill DownTek
Max User Height
[petite] 5ft 5in, [regular] 6ft
Shoulder Circumference
[petite] 56 - 66in, [regular] 58 - 68in
Hip Circumference
[petite] 54 - 64in, [regular] 56 - 66in
Foot Circumference
[petite] 34 - 44in, [regular] 36 - 46in
Bag Length
[petite] 5ft 5in, [regular] 6ft
Draft Tube
[internal] 1 mesh
Pad Retainer
Fill Weight
[petite] 17oz, [regular] 18oz
European Norm/ISO Comfort Rating
European Norm/ISO Lower Limit Rating
Storage Sack
Stuff Sack
Stuff Size
8 x 17.5in
Claimed Weight
[petite] 2lb 3oz, [regular] 2lb 5oz
backpacking, weekend camping
Manufacturer Warranty

Overall Rating

4.5 based on 2 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 1 reviews
5 Stars - 1 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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4 out of 5 stars

June 6, 2022

The extra room is luxurious!

I've used it once or twice and have initial impressions
Size Bought:
5' 2"

Wow - this sleeping bag is wonderful. Being able to adjust the width feels luxurious, and as someone who moves around a lot/changes sleeping positions often it is really nice to have some extra room. Pairs perfectly with my partner’s left-zip Big Agnes bag. Almost too roomy / we keep this one zipped down when paired!! Agree with the other review - cell phone pocket is in a really weird spot (ends up underneath you). Otherwise this bag is great.

Meg T
5 out of 5 stars

July 16, 2020

Love this bag, my new backcountry staple

I've used it several times
Size Bought:
5' 6"

How was this not a thing sooner? I am a side sleeper and have fought the mummy bag-style-sleeping bag on every backpacking trip I've been on (and there have been many). I've never been able to get comfortable on my side without adjusting the sleeping bag throughout the night. I need the warmth, without the mummy fit. The zippers along this bag allowed me to sleep comfortably (both sleeping position and temperature) all night. You pick how much room you want and where (opening both zippers adds 10 inches of room to the bag-- which is a lot when it comes to mummy bags). I kept the zippers near my feet closed and the zippers closer to my face open. This allowed me to side sleep, and splay a leg out whenever needed. Even with the zippers at the bottom closed I had room to adjust when I switched sides. I am 5'6, athletic build, and the regular size fit well. I've taken this bag out on multiple overnight backpacking trips in the backcountry of Colorado. My husband and I were able to zip these sleeping bags together for a night in the backcountry. The zippers are super easy to glide along, and function from both sides. This is a nice feature because you can zip up without pulling your arms out of the bag. I only ran into snags when I pulled too quickly or got impatient. One of my biggest pet peeves is how a sleeping bag feels on your bare skin. I prefer to sleep in base layers or a liner because of it. These bags have a great material-to-skin feel, and because the 850 down is super warm, I was able to sleep without the base layers comfortably. There are loops on the inside to keep a liner in place if that's how you prefer to sleep, though. My only issue is the placement of the cell phone holder -- which I appreciate is there! I ended up just keeping my cell warm by my body and finding it in the morning.

user image
Roxanne H