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This is a gear overview of the model new Zpacks Mummy Sleeping Bag that was launched in early 2023.
The Zpacks Mummy Sleeping Bag is the newest sleeping bag launched by Zpacks as they go about updating and upgrading their total sleeping bag vary. Like the not too long ago reviewed Zpacks Zip Around Sleeping Bag, it contains a full wrap-around zip that may successfully flip this from a Hooded Mummy Sleeping Bag right into a Backpacking Quilt.
This new hooded mummy bag from Zpacks is impressively versatile. So a lot in order that it made the record of the greatest sleeping luggage and greatest backpacking quilts in 2023.
The Zpacks Mummy Bag is available in two temperature rankings, 10F, and 20F.
I took the soon-to-be-popular 10F mummy sleeping bag out to check and overview. Keep studying to search out out extra.
In-Depth Review: Zpacks Mummy Sleeping Bag Specifications 2023
Zpacks 20F Mummy Sleeping Bag
Overall Weight: 23.2 oz / 659 grams (customary width / medium size)
Shell Weight: 7.6 oz / 217 grams
Down Fill Weight: 15.6 oz / 442 grams
Pros:
> Ultralight
> Can be unzipped and used as a quilt
> High-quality 900 Fill Power Water Resistant Goose Down
> Overstuffed baffle with 30% extra down
> Come with a big waterproof stuff sack
Cons:
> No Lofting Bag
Zpacks 10F Mummy Sleeping Bag
Overall Weight: 27.7 oz / 785 grams (customary width / medium size)
Shell Weight: 7.9 oz / 224 grams
Down Fill Weight: 19.8 oz / 561 grams
Pros:
> Ultralight
> Can be unzipped and used as a quilt
> High-quality 900 Fill Power Water Resistant Goose Down
> Overstuffed baffles with 30% extra down
> Come with a big waterproof stuff sack
Cons:
> No Lofting Bag
The Zpacks Mummy Sleeping Bag just isn’t solely an ultralight sleeping bag however can be used as a backpacking quilt because of the full wrap-around zip. This makes this sleeping bag one of the crucial versatile sleeping luggage available on the market in the mean time.
Like a lot of the Zpacks sleeping bag vary, it is available in 4 colours, specifically inexperienced, blue, black, and my private favourite orange. It is available in two widths, the usual, and the broad. In this overview, I attempted the usual width and located it to be an ideal width that allowed me to maneuver round contained in the sleeping bag with out feeling cramped.
At the second it solely comes within the 10F and 20F temperature rankings. I used and examined the 10F for this overview however the info offered will even be related to the 20F model.
There are a number of options that set this other than a lot of the different ultralight sleeping luggage and quilts available on the market.
Firstly, it has a full zip that permits the bag to be utterly unzipped and used as a quilt.
Secondly, it’s overstuffed by 30% additional 900 loft waterproof down. I really like this characteristic. It means that you can use the bag extra instances than most different luggage earlier than it must be washed. Perfect for the long-distance thru-hiker.
And thirdly, Zpacks have been in a position to produce a high quality sleeping bag that’s heat, ultralight, and has best-in-class versatility.
When in comparison with different ultralight sleeping luggage, the full-length zip elevated the burden of this mummy sleeping bag barely. But the power to make use of the bag in a extra diverse vary of temperatures and conditions appears to be a superb compromise.
The anti-snag zip labored nicely because of a strip of webbing that runs the size of the zip, and the draft collar does an honest job of stopping drafts from getting into.
The Zpacks Mummy Sleeping Bag comes with an outsized Dyneema stuff sack. Not solely is the stuff sack waterproof however the massive dimension makes it straightforward to pack up the bag within the morning. Although the workers sack is sort of massive, it may be compressed fairly a bit by sitting on the stuff sack to push the surplus air out of the stuff sack. I used to be in a position to scale back the pack dimension by half when utilizing this system.
Overall, the model new Zpacks Mummy Sleeping Bag is the most effective full zip mummy sleeping bag for 2023. The versatility of this mummy bag permits it for use as a backpacking quilt and is certain to be extremely popular on thru-hiking trails all over the world in 2023 and past.
Down kind / fill energy
The Zpacks Mummy sleeping bag is full of 900-fill energy goose down. They use waterproof PFC-FREE DownTeokay which lets you use the sleeping bag in damp environments with somewhat extra confidence. This is true up there with a number of the very best quality down used on any sleeping bag in the mean time, only a few are utilizing a better loft than 900 fill energy.
What makes this sleeping bag higher than a lot of the competitors is the overstuffing of the baffles. With 30% additional down within the baffles it permits the bag to do a greater job at staying lofted in troublesome conditions corresponding to damp climate, or when your bag may be very nicely used corresponding to on a thru-hike.
When your bag is soiled, soaked with weeks and months of sunscreen, physique oils, and extra it should lose quite a lot of its loft and never be as efficient at retaining you heat. The additional 30% of fill will guarantee most loft when different luggage are beginning to lose their loft. Thru-hikers who may use this bag for 100-150 nights earlier than washing it should love this characteristic.
Like nearly each sleeping bag available on the market proper now, the goose down is Responsibly Sourced and Responsible Down Standard Certified.
Construction
Let’s take an in-depth take a look at how the Zpacks Mummy Sleeping Bags are made with the options such because the Inner and Outer Shell materials, zippers, baffles, draft tubes, hood, and climate resistance.
Outer and Inner Shell cloth
The exterior face cloth and inner liner of the Zpacks Hooded Mummy Sleeping Bags are made utilizing a 7 Denier Ripstop Ventum Nylon. This is among the lightest materials used on any sleeping bag you could purchase in 2023.
It is coated with a PFC-free DWR coating to forestall drops of water from getting into the bag. When you check out this cloth it’s nearly see-through and very light-weight.
Weather resistance
As talked about above, there’s a PFC-free DWR coating on the sleeping bag cloth. I examined the water resistance and high quality of the DWR coating. While I didn’t sleep exterior in rain I poured a number of liters of water on the sleeping bag, and I can verify it should present an honest stage of water resistance.
The Zpacks Mummy Sleeping Bag could be ok to sleep exterior underneath the celebrities when there’s a very small quantity of condensation in a single day. And as talked about above, the 30% overstuffing of down will help in retaining it as lofted as doable.
As you’ll be able to see from the picture under after I examined the DWR coating on the material, the water beaded fairly nicely. It will get in by way of the stitching and the place the zips are however it’s reassuring to know that Zpacks use waterproof down. This down would solely be capable of soak up about 20% of the water. Very spectacular.
Disclaimer: I don’t suggest that you simply pour an entire bottles of water over your sleeping bag to check its water resistance nor sleep exterior within the rain!
Baffles
Zpacks use a mix of vertical and horizontal baffles.
The vertical baffles are used on the higher a part of the bag that corresponds along with your higher physique. They do a superb job of stopping any down from shifting throughout the evening. If you’re a facet sleeper or transfer round so much throughout the evening, which means this design will work nicely for you.
The decrease part makes use of horizontal baffles. These kinds of baffles do a superb job of locking in as a lot warmth as doable. The horizontal baffles at your ft should not sewn by way of to maximise the loft and heat to your ft. If you endure from chilly ft then you’ll like this design.
If you endure from actually chilly ft Zpacks have you ever coated with their Goose Down Socks.
Overall, there’s little to criticize and much to reward with the baffle design, which mixed with the overstuffing of every baffle results in me regard this sleeping bag among the many better of the most effective.
Zips and Draft Tube
The Zpacks Mummy Sleeping Bag is the most recent addition to the Zpacks sleeping bag vary because it was solely launched in early 2023.
The zips and draft tubes work as anticipated and do a superb job.
Along the zip, there’s a size of inner webbing that’s each light-weight and enough sufficient to forestall most snags. If you strive arduous sufficient you’ll snag the zip however in most conditions, it really works nicely.
Along the size of the zip and there’s a draft tube which does a superb job. There isn’t any draft tube across the collar or the hood like many different sleeping luggage. But the bag nonetheless appears to do an enough job of retaining the heat in.
Hood
The hood on the Zpacks Mummy Bag may be very fundamental in design and performance. There isn’t any draft tube across the hood or collar however the fundamental design appears to do a superb job of retaining the warmth in.
The dimensions of the hood are beneficiant sufficient to have the ability to put on a beanie, down balaclava, or expedition-weight down jacket with out subject.
The toggles are light-weight and fundamental however work nicely. When sleeping in your facet, abdomen, or again the hood stays in place and performs nicely.
Overall, the hood is not so good as another sleeping luggage however the hood is heat and the fundamental design does the job of retaining the general weight of the sleeping bag as mild as doable.
Stuff Sack
The Zpacks Mummy Sleeping Bag makes use of an impressively light-weight Dyneema stuff sack. It is waterproof and fairly massive. Having a big stuff sack makes it straightforward to pack the bag within the morning. No have to attempt to squeeze it in completely each time. Just shove it in any means you want and it’ll work.
The stuff sack doesn’t use compression straps. You can sit on the stuff sack after placing the sleeping bag inside. This will take away the air and can lower the scale of the packed-up sleeping bag to about half its dimension. After sitting on the bag, do up the clips, and it’ll pack to a small dimension.
The picture under doesn’t do justice to simply how small the 10F sleeping bag can compress. It can go smaller than the picture under! Great for the times if you want all of the room doable inside your ultralight backpack.
Comfort
The Zpacks Mummy Sleeping Bags is available in three lengths and two widths. The widths are beneficiant and enough for most individuals to not really feel too cramped. I examined the usual width and located it good for my physique dimension, even when sporting an expedition spec down jacket. If you’re a bigger construct or need additional room, you’ll be able to take into account the broader width. Check the web site for the precise specs.
Overall, the sizing of the bag is nice and precisely as talked about on the specification sheet on their web site.
Warmth
Zpacks don’t check their luggage to EN or the newer ISO 23537 Standards. They use their very own temperature rankings primarily based on their very own expertise. They estimate the temperature rankings to be near the ISO Rated ‘Limit’ Rating of a Sleeping Bag, which is usually referred to as the ‘transition’ ranking.
I used to be unable to check the bag in very low temperatures. So I’ll replace this part sooner or later. But judging from the quantity of down used within the bag, mixed with the 900 loft, and the standard of the baffles, I might imagine that the 10F and 20F rankings needs to be fairly near the restrict/transition rankings for most individuals.
Caring in your Zpacks Mummy Sleeping Bag
The Zpacks Mummy Sleeping Bag just isn’t the most affordable sleeping bag available on the market, so it’s price caring for it. One of the most effective issues you are able to do is put on clear backpacking base layers to mattress to forestall sweat, filth, and physique oil from penetrating the liner of the sleeping bag. You may use a sleeping bag liner to maintain it clear.
How to retailer your Zpacks Mummy sleeping bag
Zpacks don’t present a lofting bag, which is one factor that may very well be improved. When storing your Zpacks sleeping bag it’s best to not depart it compressed contained in the stuff sack. Extended intervals of doing this could have an effect on the lofting capability of the down. The greater high quality of the down (the upper the loft quantity, eg 900) the extra likelihood you must injury the down over an prolonged time frame.
I strongly suggest storing your sleeping bag in a bigger lofting bag to extend the size of service of your bag. If you do that, you’ll get at the least 10-20 good years of use out of this bag. Especially for those who handle it and wash it when wanted.
How to scrub your Zpacks Mummy Sleeping Bag
Over time the Zpacks Mummy sleeping bag will lose a little bit of its loft and it’s possible you’ll begin to complain that the bag is not so good as it was. This occurs with each down sleeping bag. The overstuffing of down on this bag will imply it should outlast most different luggage which can be utilized in an identical means.
Maybe your bag may begin to have some funky smells that appear to be a cross between a sweaty gymnasium towel and an unwashed homeless individual. If this happens it’s time to give the Zpacks sleeping bag a wash.
Price
At the time of reviewing this product, the brand new Zpacks Mummy Sleeping Bag is priced on the greater finish of the market. There are cheaper choices on the market however if you’re in search of one sleeping bag to make use of in an incredible number of temperatures then this may very well be the one you will have been in search of.
Being in a position to utterly unzip the bag and use it as a quilt in hotter climate eliminated the necessity to buy a number of sleeping luggage. And when it does get chilly, zip up the sleeping bag, cinch the hood tight and you can be good and heat.
And not like another sleeping luggage, there don’t seem like any provide chain points.
Zpacks Mummy Sleeping Bags Vs The Rest
How does the all-new Zpacks Mummy Sleeping Bags evaluate to different Ultralight Sleeping Bags and Backpacking Quilts in 2023?
This is a really new bag and in comparison with each different sleeping bag and quilt that I’ve examined and reviewed through the years this one stands out as probably the most versatile. This is ideal for thru-hiking and anybody wanting a bag to make use of in an incredible number of temperatures.
Compared to the Zpacks Zip Around Sleeping Bag, the Mummy Bag is somewhat bit heavier however has a hood. This is actually the one distinction.
Compared to the Sea to Summit Spark Sleeping Bags the Zpacks don’t have the identical temperature ranges of luggage and should not fairly as comfy. But getting the vast model of the Zpacks bag may make them equal in consolation. Sea to Summit has a barely higher DWR coating and is a little more sturdy attributable to heavier materials.
Compared to the Therm-a-Rest Hyperion Range, the Zpacks Bag is heavier. But there’s extra room contained in the bag and the power to utterly unzip the bag and use it as a quilt.
Compared to the New Zealand Brand Macpac Dragonfly Sleeping Bag, the Zpacks are lighter and rather more versatile. But the Dragonfly does have a significantly better hood, significantly better climate resistance, and a really completely different however equally great things sack, all of which make their bag heavier.
Best Suited Use
The Zpacks Mummy Sleeping Bags is ideal for anybody wanting an ultralight sleeping bag that can be used as a quilt and used over a variety of temperatures.
My professional suggestion for this sleeping bag could be to make use of this bag for the next:
- Three Season backpacking within the Rockies or Sierra or North America with the 10F or 20F.
- Almost any thru-hike anyplace on the earth, together with the Appalachian Trail, Pacific Crest Trail, and Continental Divide Trail. Perfect for an incredible number of temperatures.
- Three Season backpacking and mountain climbing within the Alps in Europe or mountain climbing the Camino. The hotter luggage might be nicely suited to three season journeys in most locations.
- 3 season and even 4 season mountain climbing in Australia and most locations in New Zealand together with the Te Araroa Thru Hike.
- If you might be planning a visit anyplace on the earth the place you’ll encounter a spread of temperatures and solely need one sleeping bag. For instance, a multi-week or multi-month journey in South America the place you can be at excessive altitude on one backpacking journey, Patagonia for an additional hike, and hotter locations and solely need to take one bag to do all of it.
Conclusion
With best-in-class versatility, this mummy sleeping bag will be utterly unzipped and used as a backpacking quilt on hotter nights. This makes the Zpacks Mummy sleeping bag good for thru-hikers or somebody wanting an ultralight sleeping bag that can work underneath a really big selection of temperatures.
With the exception of the worth tag, there’s little to fault with this bag. Having mentioned that, I might like to see a lofting bag included to extend the lifetime of the bag when not in use, however that may not match with the minimalist nature of all Zpacks merchandise. I feel within the coming thru-hike season this bag might be seen on all of the thru-hiking trails and can solely improve in recognition over time.
Overall, the Zpacks Mummy Sleeping Bags is probably the most versatile ultralight mummy sleeping bag for 2023.
The Zpacks Mummy Sleeping Bag is the most recent sleeping bag available on the market from Zpacks. Like all their merchandise it’s ultralight and greatest suited to thru-hikers or backpackers that need to carry much less weight however have all the most effective options. The largest factor about this sleeping bag is the complete zip that permits the sleeping bag to be unzipped like a quilt.
Yes, All the down utilized in Zpacks sleeping luggage is ethically and responsibly sourced.
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The writer, Brad McCartney from BikeHikeSafari is a small unbiased adventurer and outside gear tester who owns and runs BikeHikeSafari.com.
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The writer, Brad McCartney is a really skilled triple crown thru-hiker, adventurer, and bike tourer having spent 1000s of nights sleeping in a tent and sleeping bag (Read extra). He was a supervisor of an outside retail retailer and may be very skilled in what’s vital when utilizing and testing gear for opinions like this.
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