Love this pump sack. Works much better than other brands I have used. Super lightweight but really strong. But its also large so nice and quick to get the pad pumped up. Love your products Alton!!!
Frequently bought together
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Insulated Sleeping Mat (R4)
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Insulated Sleeping Mat EXTREME (R8)
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Explore Product Features
Easy & Effective
Easy & Effective
This Ultralight Pump Bag makes it easier than ever to inflate your sleeping mat – no huffing and puffing required.
Improved Pressure Retention
Improved Pressure Retention
By using cool, dry air to inflate, this pump sack helps keep your sleeping mat firm and supportive by reducing air compression.
Multi-Purpose Design
Multi-Purpose Design
With 40L capacity and a non-wicking roll-top closure with a Hypalon™ strip and snap-buckle, the Ultralight Pump Bag can function as a dry bag or pack liner.
Tough Construction
Tough Construction
Made from ripstop nylon and fully seam-sealed throughout, this Ultralight Pump Sack is waterproof, puncture-resistant and comes with a Lifetime Warranty.*
Specifications
| Pump Bag Dimensions | 35 × 21 × 55cm |
| Pump Valve Diameter | 22mm |
| Material | Ripstop Nylon |
| Pump Bag Volume | 40L |
| Total Packed Weight | 88g |
| Pump Bag Dimensions | 14 × 8.5 × 21.5in |
| Pump Valve Diameter | 22mm |
| Material | Ripstop Nylon |
| Pump Bag Volume | 40L |
| Total Packed Weight | 3.1oz |
What's included
1 x Ultralight Pump Bag
ALL ALTON PRODUCTS ARE COVERED BY A LIFETIME WARRANTY.* CLICK HERE TO LEARN MORE.
ALL ALTON PRODUCTS ARE COVERED BY A LIFETIME WARRANTY.* CLICK HERE TO LEARN MORE.
ALL ALTON PRODUCTS ARE COVERED BY A LIFETIME WARRANTY.* CLICK HERE TO LEARN MORE.
ALL ALTON PRODUCTS ARE COVERED BY A LIFETIME WARRANTY.* CLICK HERE TO LEARN MORE.
Save your breath – and your sleeping mat.
If you’re using your breath to inflate your sleeping mat, you may unknowingly be reducing its performance – and it’s air pressure. This is because as the warm air cools down inside the mat, it compresses, making your sleeping mat feel like it’s losing air – even though it isn’t. The Ultralight Pump Bag reduces this effect, helping your sleeping mat stay firm and supportive all night long.
Increased insulation efficiency in cold conditions
In cold conditions, inflating your sleeping mat with your breath can cause internal moisture to build up inside the mat, where it reduces insulation efficiency and may lead to mold growth over time. Using a pump sack, such as Alton’s Ultralight Pump Bag, minimises internal moisture and keeps your sleeping mat performing at its best.
Compatible with all Alton Sleeping Mats
The Ultralight Pump Bag features a 22mm connector valve that is compatible with all Alton Sleeping Mats. To use, simply clip the connector into your mat’s inflation valve and open the pump sack to ‘scoop’ up some air, then close and roll down to push the air into the mat. Repeat this 2-4 times until your sleeping mat is inflated to your liking. Yep, it’s that easy!
Multi-purpose functionality at its finest
Made with high quality materials, our Ultralight Pump Bag is designed to be lightweight, durable and functional – or rather, multi-functional. When you’re not using it to inflate your sleeping mat, it can act as a waterproof dry sack or pack liner to store gear, or even as an ultralight camping pillow. And with a Lifetime Warranty* included, you know it’s built to last.
FAQ's
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A sleeping mat pump sack, also called a pump bag or dry sack pump, makes inflating your sleeping mat faster, easier and more efficient.
Using cool, dry air to inflate your sleeping mat helps to maintain firmness overnight, reduces air compression and pressure loss in cold conditions, and reduces moisture buildup inside the mat.
For more information on why we recommend using pump sacks, refer to our sleeping mat care guide.
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Inflating a sleeping mat with a pump sack typically takes 1 to 2 minutes, or around 2 to 4 sackfuls of air, depending on the size of your sleeping mat.
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Our Ultralight Pump Bag features a 22mm connector that pairs with the standard wide-mouth valve design we use across all Alton sleeping mats.
While it may fit mats from other manufacturers that utilise the same valve size, we haven’t tested compatibility for this and can’t guarantee a perfect fit.
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Yes, our Ultralight Pump Sack is fully seam-sealed and features a non-wicking roll-top closure with a Hypalon™ strip and snap buckle, just like a true dry bag. With a generous 40L capacity, it works well as a waterproof pack liner or large dry sack for important items like your sleeping bag and sleeping mat.
Customer Reviews
Overall rating: 4.9 / 5 from 15 reviews.
Great pump sack for my Alton sleeping pad, pack liner and pillow case as well. Great size, strong and robust.
Bought for son & he said it works well.
Works great on my air beds & pillows. Folds tiny to pack or use as a dry bag as well
Super Lightweight, works well, very strong & durable, multipurpose, very happy with it.
Love the product. It’s light, can be folded in with my mattress, simple to use and takes just 4 pumps to blow up the mattress. My daughter borrowed it for a separate camping adventure, and she couldn’t believe how good this bag pump worked. Great product Alton!
Haven't used it in the field yet but its obviously of good materials and construction
Makes inflating the matress so much easier. Doubles as a dry bag to store my sleep gear in during the day.
Good quality product.
The best service! My Alton Goods carry bag unfortunately ripped, and they were so quick to replace it for me. I had it within 48 hours of writing to them! Where do you get service like that any more? Well done Alton team.
Purchased the Ultralight Pump Bag after purchasing the Ultralight Sleeping Mat. The Ultralight Pump fits the mat perfectly, easy to use and gone is the head spin. I use this set-up (including the sleeping mat fitted sheet) as my go to lightweight adventure motorcycle camping kit; weight and space matters. Yes, I would recommend not only the Ultralight Pump bag, but also the sleeping mat and fitted sheet.
I was so happy with one that I had bought for myself previously, that I bought another as a gift. Quickly shipped.
Out on a hunting trip testing the Pump bag out In the great outdoors. Works an absolute treat. Easily blew up the mattress and pillow up. I like the multi use of it, pump, dry bag and pillow is awesome. Thanks for an excellent product that's tough as nails and works as promised.
It’s fantastic easy to use folds down small weights nothing and doubles as a pillow
Great bit of kit! Not only will this save my lungs but it doubles as a compression sack for my tent fly!