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Trestles 15 Sleeping Bag: 15F Synthetic - Women's

4.636363636363637 out of 5 stars
22 Reviews

Out of Stock

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Why We Like The Trestles 15 Sleeping Bag

The Marmot Women's Trestles 15 Sleeping Bag offers superb value with its toasty warmth and comfort-oriented shape. Its affordable price point sure doesn't hurt either, leaving plenty of extra loot for far-flung trips into the mountains. SpiraFil LT insulation traps thermal warmth with its high-loft synthetic fibers, ensuring we're sleeping soundly when the mercury plunges on crisp, clear evenings. Newly improved over previous versions, the anatomical, 3D-shaped footbox improves warmth and roominess for our feet.


  • Lofty warmth for freezing nights under the stars
  • EN Comfort rated to 16F for comfort on cold evenings
  • SpiraFil LT insulation maintains loft and durability
  • Adjustable collar and hood retain heat from escaping
  • Second fold-down zipper for extra ventilation
  • Included compression sack for easy packing
  • Item #MAR013Q
70D 100% polyester
SpiraFil LT (synthetic)
full-length with anti-snag slider
Max User Height
[regular] 5ft 6in, [long] 6ft
Shoulder Circumference
Hip Circumference
[regular] 60in, [long] 62in
Foot Circumference
[regular] 49.5in, [long] 46in
Bag Length
[regular] 75in, [long] 82in
Draft Tube
adjustable collar and hood
1 zippered stash
Pad Retainer
second fold-down zip for ventilation
Fill Weight
[regular] 3lb 1oz, [long] 3lb 5.5oz
European Norm/ISO Comfort Rating
Stuff Sack
included compression sack
Stuff Size
9 x 19in
Claimed Weight
[regular] 4lb 8oz, [long] 4lb 13oz
backpacking, weekend camping
Manufacturer Warranty

Overall Rating

4.5 based on 22 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 2 reviews
4 Stars - 4 reviews
5 Stars - 16 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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5 out of 5 stars

March 19, 2023

Warm down to 19 degrees

[This review was collected as part of a promotion.] Have taken this bag camping twice. First time had mild night temps in the 40s and was never chilled; opening the bag a bit solved any overheating. Just got back from the second outing where the temps unexpectedly dropped to 19F. There was frost in the tent and on the bag but I was completely warm and dry. Plenty of room inside, though I could use a little less length, as my feet sometimes get chilly because I’m so short I can’t reach the bottom of the bag to warm it up. Great shoulder season bag. Very satisfied with this purchase.


Originally reviewed on marmot.com

4 out of 5 stars

March 12, 2023

Warm but bulky

I've used it once or twice and have initial impressions
Size Bought:
5' 3"

This bag is well made and warm. The colors are fun. It is bulky though. My biggest complaint is that the zippers sit right at your cheek, and I tend to fidget a lot. Every time I needed to slip out a hand to check my phone or get a sip of water, it was a struggle to get zipped back in and all the cold air got in. The zippers slip down a little if they're not all the way up. For this reason only my shoulders were cold. It's a good budget bag for car camping though. If you're backpacking multiple nights you might want something more streamlined.

Lara H
5 out of 5 stars

January 2, 2023

Great bag!

[This review was collected as part of a promotion.] Our daughter received this for Christmas and slept outside the same night. It was about 20 degrees Fahrenheit and she said she was toasty warm. She is 5’9” and said there was room for several more inches in the bag.

Backpacking mom

Originally reviewed on marmot.com

5 out of 5 stars

October 27, 2022

Love it!

[This review was collected as part of a promotion.] Great warm sleeping bag for cold weather camping in Maine. I stayed super warm and cozy. I would definitely recommend to friends!


Originally reviewed on marmot.com

5 out of 5 stars

August 9, 2022

My gf loves the sleeping bag.

[This review was collected as part of a promotion.] My gf loves the sleeping bag. She tried this past weekend even do it was a warm night it was comfortable.


Originally reviewed on marmot.com

5 out of 5 stars

July 1, 2022

Warm and well made women's bag

Exactly what we expected. A warm, high quality bag to keep toasty warm on cold camping nights. Love the women's cut of the bag.


Originally reviewed on marmot.com

3 out of 5 stars

June 30, 2022


The product is warm and light. It also is a very good fit for my size of 5'9. I like that about it. I do not like the fact that it does not fit in the bag well. My husband got the male version and it is rated for lower temperature and it fits in the bag it came with no problem. I should have gone with that one. Hope this helps someone.


Originally reviewed on marmot.com

5 out of 5 stars

June 3, 2021

My favorite bag!

I am 5’5” and purchased the long, absolutely no regrets! We have now camped in the desert as well as the sierras and this bag was perfect for both. I tend to sleep cold and never had a complaint in either climates! Also, I love how easy this zips into the men’s trestles bag. My boyfriend and I were both very happy with our bags.


Originally reviewed on marmot.com

5 out of 5 stars

June 2, 2021

So cozy!

[This review was collected as part of a promotion.] I bought this for my backpacking trip in Dolly Sods, WV. It kept me warm. I wish it could be compressed just alittle smaller.


Originally reviewed on marmot.com

5 out of 5 stars

May 3, 2021

Keeps the cold out

I've put it through the wringer
Size Bought:
WL Left zip
5' 4"

I have been using this bag for the last 3 weeks. Temps have been from the low 40's to the low 30's. I have been very toasty on the coldest of nights. On the warmer nights I unzipped the bag and was quite comfortable. I am so glad I bought this Marmot bag.

Kathleen T