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Review Summary
2020-02-26T19:00:00
Was surprised at how easy this was to use and that I could inflate my mattress pad in seconds (two and a half bags of air)! My lungs are older than the current United States Flag, this is just what I needed.
Kevin

2019-07-30T14:48:46
this only has a silicone disc at the bottom of the bag that slides over the thermarest pad. seems very simple to use .
Michael N.
2019-06-05T20:00:00
Works, took about 7-9 pumps for a NeoAir Venture or NeoAir All Season. Unfortunately the last few pumps would be best when blown in by mouth for best results. Pump sack is huge, probably a bit bigger than what's useful on some backpacking trips. But it's still great.
Brandon

2018-11-02T20:00:00
An absolute prized possession in all of my camping ensemble. Why? Because I'm too lazy to blow my mattress up day in, day out when I could be undertaking something far more constructive like getting the tea on. On a more serious note, puffing breaths into my pad and my partner's larger one can sometimes leave me dizzy and lightheaded, especially at altitude or at the end of hot days. Based on Bernoulli's Principle of fluid dynamics goes a long way towards explaining why the sleeping mattress inflates in no time at all. Mind-blowingly quicker than sole use of your breath alone. Allow me to expound on the physics: plugging the dry sack at the bottom around the valve on the mattress, and blowing into the top of the dry sack about six inches away from the opening, I seal the bag as I would any regular dry bag. Gently squeezing the bag down, a rush of low-pressure, fast-moving air charges into the mattress, causing the static high-pressure air outside the pad to rush in and equalize the pressure. It's incredibly fast, much cleaner and requires hardly an ounce of effort than with traditional valves. There's nothing not to love about this brilliant item.
Two N.

2018-10-09T10:39:09
A bit cumbersome to use inside a tent. Not sure about the durability of the plastic stoma that fits over mattress valve. If I had to do it over again, I probably wouldn't spend the money.
Chris C.
2017-10-08T20:00:00
Works wonderful as a pump sack but is a tad cumbersome to use as a stool. Balance was an issue for me.
Phil

2017-06-29T20:00:00
Highly recommend! Much faster than the one that comes with it!!
Skruffy

2017-05-26T20:00:00
lightweight and gets the job done well, that's about all I can ask for.
Chase

2016-10-02T20:00:00
I used this on a Philmont trek. Not only did it fill my Neo Air mattress (saving my breath at high elevation) it also doubled as a dry bag for all my in tent essentials.
Breathless

2016-09-17T20:00:00
Works well and doubled as my sleep gear stuff sac. Takes a couple times to get the hang of filling the bag with air but saved me time after a long day.
Advisor

2016-08-28T20:00:00
this product doubles as a pump and pack liner. it blows up my sleeping pad without the making me dizzy or adding moisture from my breath. keeps items in my pack dry and doesnt add unnecessary weight. and it costs about the same amount as a dry bag... bonus!!!!
climber

2016-08-07T20:00:00
Bought this pump sack for a 12 day hiking trip at Philmont Scout Ranch in Cimarron, NM. It worked great. 3 to 5 bags of air and my regular size NeoAir pad was filled. It also worked great as a ditty bag for gear in my tent.
JCotton

2016-07-27T20:00:00
After more than two years and 21 countries over 50,000 miles on the road, it takes just a lick of sense to stay selective about what we carry. And without question, it has to fulfil: less is more and size does matter. Namely space and weight will always be at a premium when living out of two motorcycle panniers and a roll bag. An absolute prized possession in all of my camping equipment. Why? Because I'm too lazy to blow my mattress up day in, day out when I could be undertaking something far more constructive like getting the tea on. On a more serious note, puffing breaths into my pad and my partner's larger one can sometimes leave me dizzy and lightheaded, especially at altitude or at the end of hot days. Based on Bernoulli's Principle of fluid dynamics goes a long way towards explaining why the sleeping mattress inflates in no time at all. Mind-blowingly quicker than sole use of your breath alone. Allow me to expound on the physics: plugging the dry sack at the bottom around the valve on the mattress, and blowing into the top of the dry sack about six inches away from the opening, I seal the bag as I would any regular dry bag. Gently squeezing the bag down, a rush of low-pressure, fast-moving air charges into the mattress, causing the static high-pressure air outside the pad to rush in and equalize the pressure. It's incredibly fast, much cleaner and requires hardly an ounce of effort than with traditional valves. There's nothing not to love about this brilliant item.
Two L.

2016-07-09T20:00:00
I had no idea how much I would appreciate having a seat on my Long Trail hike. It's great that it also helps me pump up my mattress And I use it to hang my food at night. 3 uses!
Mosey

2016-06-14T20:00:00
I have used this product as a normal part of my job for the last 2 years working throughout northern Nevada and California, and it has never failed me yet. It takes about 4 pumps to pump up my NeoAir (3 on a really good windy day)! Works great for fluffing out your sleeping bag as well when you are not out camping!
nreese2088

2016-05-11T20:00:00
It's always been a problem, moist air when inflating a Neoair, nearly passing out when blowing it up. The pump sack sorts this out. Even when inflating on a rain soaked campsite, confined in my one man tent. I managed to keep everything dry and inflate the Neoair. Quicker than the mini pump and no batteries needed.
lostsheep

2016-03-27T20:00:00
I have used this pump sack for the past 1.5 years. It is still in great shape, and shows little to no signs of wear. This is pretty impressive as I regularly use it under my XLite pad as a partial groundsheet. A quick wipe down after ever trip has been all it requires. While I hike, this sack works as my pack liner. Because I travel fairly light, I can easily fit everything I want in this sack, and then keep anything wet (like my tarp or rain gear while not in use) on the outside of this sack, but still in my pack. I have never had an issue with water leaking in, even thru the valve attachment hole. As a pump sack, it also works great. Easy to use, cuts my pad inflation time in half, at least. One of the up sides of using the pump sack is that moisture from your breath doesn't get into the mattress. This is especially helpful on colder trips, but even when it's warm, it effects how well the mattress insulates. Not only that, but you don't have any moisture build up that would add weight, or, worst of all, cause mold in the mattress itself. A buddy weighed his XLite before and after a a week long trip, and his mattress was almost half a pound heavier just from him inflating his pad by mouth ever night. As a seat (with my XLite rolled up in it) it is OK. After a few tries, I don't use that function anymore. It isn't very stable, so it's a good amount of effort to stay upright on it. Part of the issue is likely the tapered shape of the XLite pad; one of the rectangular pads would likely work much better. At this point, I usually just end up sitting on my XLite folded up, or on the ground.
MattK

2016-01-24T19:00:00
I found this useful to avoid putting moisture into the mat by using my lungs, but it is slower & an acquired technique.
Trampus

2015-12-06T19:00:00
Sack to put your gear in roll your mat in it to make a seat inflate your mattress with it great price of kit
Bill28

2015-08-12T20:00:00
Despite the fact some would consider this a pointless waste of money, I actually quite enjoy not having to blow my mat up before going to sleep. For a little extra money I can sit their laughing while my friends are gasping and look like they've been trying to inflate a bouncy castle. It has to be said that this pulp is not as good as blowing up baloons as it is air mats.
Benjowilky

2013-06-24T20:00:00
Required about four sack fulls of air to fill a 2.5 inch sleeping pad. It is a bit tricky to keep the sack flange attached to the sleeping pad nozzle, but once you get the technique inflation only takes a few minutes. We use the sack to stuff two sleeping bags.
chrisoutdoors
2012-09-10T20:00:00
Didn't realize the Neoair Xtherm came with a inflatation valve equiped stuff sack until I already ordered this one. But the volume of this bag means inflating an Xtherm takes a lot less time. Takes about 15+ tries with the supplied sack vs 3 with this one. It's obviously bulkier but the size actually makes it more useful. The hole for the valve attaching point didn't make sense at first but does work pretty well. Looks like a pretty useful product despite initial doubts.
Eddie
40 l.
Daybreak orange
13 in. x 27 in.
3.4 oz.
0.25 lbs.
China
Nylon
Yes
Yes
Yes
Yes
Yes
What's not to love?!
By Two L.
After more than two years and 21 countries over 50,000 miles on the road, it takes just a lick of sense to stay selective about what we carry. And without question, it has to fulfil: less is more and size does matter. Namely space and weight will always be at a premium when living out of two motorcycle panniers and a roll bag. An absolute prized possession in all of my camping equipment. Why? Because I'm too lazy to blow my mattress up day in, day out when I could be undertaking something f...
View full Review
Batteries not included
By lostsheep
It's always been a problem, moist air when inflating a Neoair, nearly passing out when blowing it up. The pump sack sorts this out. Even when inflating on a rain soaked campsite, confined in my one man tent. I managed to keep everything dry and inflate the Neoair. Quicker than the mini pump and no batteries needed.
Therm-A-Rest NeoAir Pump Sack
The Therm-A-Rest NeoAir Pump Sack will inflate your NeoAir mattress quickly and easily, but its function doesn't stop there. The 40 liter sack doubles as a stuff sack, or pack liner, and it can also be used to convert a NeoAir mattress into a Jembe style camp seat. Just insert a rolled NeoAir mattress, and inflate for lightweight campsite seating. Protect your NeoAir pad, and increase its versatility, because this bag actually helps to inflate your NeoAir mattress. It is made of waterproof 70 denier ripstop nylon. Just like the storage sack, the top of the Pump Sack has a draw-cord running around the edge, that secures it with a spring-loaded cord-lock. At the bottom is a black-edged grab handle, useful for carrying the Pump Sack, if it were to be full other items. The plug is a disk of flexible clear urethane-type material, that is chemically welded to the nylon of the Pump Sack. The Therm-A-Rest NeoAir Pump Sack is useful for many other inflatable things, making it extremely versatile.
https://www.thermarest.com/warranty
800-531-9531