How to Choose Sleeping Bags for Backpacking

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With exceptional warmth for backpacking in frigid temps, the Marmot Trestles Elite Eco 0 sleeping bag uses recycled materials for sustainability without losing its mountain performance or durability.
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Best Use | Backpacking |
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Tested Lower Limit | 2.3 degrees (F) - EN |
Tested Comfort | 15.6 degrees (F) - EN |
Temperature Rating (F) | 0 degrees (F) |
Temperature Rating (C) | -18 degrees (C) |
Shell | 20-denier recycled ripstop polyester |
Zipper Location | Left |
Insulation Type | Synthetic |
Fill | HL-ElixR Eco Micro recycled synthetic fibers |
Fill Weight | 2 lbs. 9.3 oz. |
Sleeping Capacity | 1-person |
Lining | 20-denier recycled ripstop polyester |
Sleeping Bag Shape | Mummy |
Stuff Sack Size | 9.5 x 21 inches |
Stuff Sack Volume | Unavailable |
Compressed Volume | Unavailable |
Gender | Unisex |
Sustainability | Contains recycled materials |
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Note: I did not get the opportunity to test this in anything below freezing. I am also a cold sleeper. This sleeping bag is comfortable for the most part. I'm a larger muscular guy and I barely fit into the bag at my shoulders (tailor measurement 52"), so zipping it up can be annoying. If you tend to move around in your sleep like I do, if you didn't zip the bag up all the way, the zipper comes undone, but even then at 32F it's still very warm and comfortable with minimal clothes on and it should be; you can supposedly survive in -30 F in this so it'd better be warm at 32F. It is a bit bulky to pack up, but I'm glad I brought it on the JMT with me.
I have not been camping with the bag yet, but have tried it on for size. I am very pleased that it has good room for size 15 feet and is long enough to fit a 6'7' frame. It has been a little snug in other "long" bags. The Trestles Elite is much more comfortable. I did have to return the first bag I got due to a jammed vent zipper. The REI staff was very helpful showing me the bag in the store but then pulled another one from the shelf for my purchase. Lesson: check ALL moving parts before taking products home.
I recommend this bag. This is the best bag that I have camped in. In a tent, it was comfortable at -8. This is me. Look at the very bottom where it says "Cover"
I wasn't even planning on buying this bag. I did a ton of research and had things narrowed down to about 5 different bags. I went to 2 different REI locations in Utah and neither of them had any of the bags I liked. One of the locations had one of the bags on my list, but it was on display. I was about to buy it, but the staff member noticed I had the Trestles Elite tucked under my arm. She told me if it's within my budget I should go with the Trestles, as the Marmot bags were higher quality than the one I had planned to buy. I'm glad she talked me into it. I really like this bag. I even tested it out the other night camped out in my backyard in Northern Utah. Temps got down to around 25 F outside, but I was warm a toasty in my bag. Granted, I did have base layers on and sweatpants/hoodie on over them. The only thing that really got cold was my nose poking out of the bag. I should also add that I was using a Klymit Static V insulated sleeping pad under me (outside of the bag) and the tent I used was a Marmot Fortress 2 with matching footprint. The zippers work well, haven't snagged yet. My only gripe so far is the tension cords to close the hood and baffle can be a bit of a pain to tighten when you are inside the bag. Perhaps I am doing something wrong? Also, I wish there was just a little more room to squeeze my sleeping pad inside without feeling claustrophobic. I might try letting some air out and see how that works. Other than that, I think it's a great bag. I can't wait to take it on a real excursion.
i ordered this bag online because it was not available in any of the local REI stores. I was anxious to try it in a low-teen temperature environment this upcoming weekend, but I ended up returning it the same day I received it. The problem, for me, was the insulation. Inside the bag are sheets of insulation instead of shreds of the same. Some of the sheets had rolled on to other sheets and created lumpy rolls of insulation that I found to be quite annoying. Dillards has a down-alternative bed pillow that uses shreds of insulation that feel remarkably like real down. If this bag had was filled with the same insulation it would have been a keeper for sure. However, I was quite disappointed in the bag and decided to return it. It never even left the store. Now I'm left to find another bag for winter cold-weather backpacking. I know Marmot is now owned by the same company that owns Coleman products, and I have to wonder if too much Coleman influence is reducing the quality of the Marmot name and product. It is a strikingly good looking bag, but the rolls and lumps of insulation were too much for me.
Not *quite* a zero degree bag: Spent 3 nights in Yellowstone recently where the temp dropped to about 15, and while the bag was ok it certainly wasn't 'comfy' or warm at those temps. This is with a full underlayer on me at those temps (shirt, socks, pants, hat), with a sleeping pad of 1.5". Honestly wouldn't want to test this if the temp had dropped to 0. That being said, the rest of the features are good: The zipper works great; the foot box felt roomy enough (mens size 10.5), and the overall length was good (5'11"); also felt pretty comfy overall (215lbs, 34" waist, 47"chest). Overall a great bag, just not quite as advertised.
I wanted this bag to be so good. 0° rating, synthetic fill, cool color, best used for backpacking… it marked all the boxes for me except for 2 things. 1: the bag is mummy shaped; a bit snug and not ideal for side sleepers. However, side sleeping can just roll onto their side with the entire bag. I’ve done this and it’s not a big deal. It can work for me, not a deal breaker. 2: The bag does not pack down to a small size! This is a deal breaker for sure! I bought this for backpacking and it’s so large in the pack! Will return
I shopped extensively for a good quality light weight cold weather bag for my backpacking and outdoor adventure needs. I got a Black Friday deal from REI and chose to go with this Marmot Trestles Elite Eco 0 mummy style Synthetic fill bag. The weight to warmth is pretty good yet not as good as down fill. However this post consumer recycled poly filling won’t absorb moisture and retains loft so traps air chambers well aka insulation. It is very puffy. I love the feel of the slick fabric both inside and out. Should clean nicely. It does generate static electricity on my hairy arms though since cold and dry right now. Dual sided zipper is really a plus for ease of entry and zippers didn’t seem to leak cold air. Hood draws around head and face well and comfortably. I found the size to fit me well with enough shoulder and foot space. Only real negative I’ve found is it is bulky and is challenging to compress very small for backpacking. I bought a different compression bag from the one included and I saved a few more inches. It is mid range by comparison with similar bags in weight at about 3.8 lb. Almost all zero bags are gonna be heavy. Honestly I’ll carry a half pound to save $250 on this bag verses a similar bag I was looking at. I got too warm at one point in this bag while sleeping outdoors in a hammock in mid twenties. I unzipped a little to vent and was perfectly cozy. Over all a great value!
Well-designed with nice touches; an internal zipper pocket right in the perfect place to put a phone, a big draft collar, nice squared-off footbox, and sturdy zippers. Unfortunately, I was cold all night and it was only in the upper twenties (two sleeping pads, plenty of layers, hat, etc). I do sleep very cold, but I had hoped it would carry me down into the upper teens at least. I suspect part of the issue might have been that the bag was pulled fairly tight around my hips, which may have reduced efficacy.
Very warm bag at 10 degrees out. Only had T-shirt and shorts on.