Klymit Inertia Camping Mattress

Product Description

16. 8 oz. / 476 g - With comfort features like a built in pillow and side rails, the Inertia XL was created with comfort in mind so you can feel pampered while camping and yet still come in at an ultralight weight. Like its nimble little brother the Inertia X Frame, this Inertia XL is the lightest, most compact and technically advanced camping pad in its category of oversized camping pads. The Inertia XL offers increased support, body mapping, coverage area, tossing room, and even an integrated head cradle pillow. The Inertia XL accommodates more body shapes and sizes with its more neutral body map design. The Inertia XL offers the same technologies as the Inertia X Frame, such as loft pocket technology, customizable pressurized comfort and support, ultralight and compact, and low volume for inflation. This is the ultimate pad for those looking for a little more comfort and support but still want the smallest, lightest thing out there.

Features

• TOP OF ITS CLASS: The lightest, most compact and technically advanced camping pad in its category of oversized camping pads; IDEAL FOR FAST AND LIGHT ADVENTURES
• SLEEP COMFORTABLY even with an ULTRALIGHT PACK WEIGHT: Built in pillow and side rails for those wanting a little more comfort and support but still an ultralight air pad
• INCREDIBLY LIGHTWEIGHT YET DURABLE: Packed Weight: 17.2 Ounces; Packed Size: 4 x 8 Inches; 75D Polyester
• SPECIFICATIONS: Inflated Size: 78 x 25 x 1.5 Inches; Inflation: 5 - 7 breaths; Easy-to-use push valve allows for quick inflation and deflation

Top Reviews

Batman's Sleeping Pad
by A. deFinta (5 out of 5 stars)
April 4, 2014

The Inertia XL is my third Klymit pad and well worth it, even if it does look like something Batman would own. My wife pinched the Static V I ordered on the day it arrived and I have been using an X Frame for more than a year. I love my X Frame, but when the price recently dropped on the XL, I had to have one. After one night on it, the Inertia XL is now my new base camp pad.

This is a great sleeping pad, I love how it supports and cushions in all the right places - even when I sleep on my side - and still folds up quickly and easily into a package smaller than a loaf of bread. It's also quick and simple to inflate, the included hand pump lets you adjust the firmness to your liking (I prefer a firmer pad). Unlike a flat pad, the textured fabric and ridges keep my bag from sliding off, and the ability to put it inside my bag is a nice feature in colder weather. The "loft pockets" don't seem to contribute much, but also keep my bag from sliding around.

I'll still use my X Frame as my primary backpacking pad; however, I plan to use the Inertia XL on the John Muir Trail next year, with the X Frame as back up.

I can't say enough good things about this, or any other, Klymit sleeping pad and I recommend them to all my fellow backpackers. Buy one, you won't be disappointed, you'll wonder why you didn't sooner.
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Long and comfortable *UPDATED*
by matt cooper (5 out of 5 stars)
June 8, 2017

At 6'6" tall, this pad is still long enough for me! It is very comfortable and will be a great addition to my backpacking trips. After the last trip when I slept on the rocky ground, this thing has made a world of difference! Will update if I have any issues down the line.

UPDATE: My first trip with the pad and it had a leak in the button valve for the hand pump. Deflated within 20 to 30 minutes and made for a terrible night sleep. I missed my 30 day return window by 2 days but decided to contact Amazon to see if they could help. As usual, Amazon was great about helping me out. They sent a replacement pad and because of the location of the leak they told me to keep the old one. The new one works perfectly and I still couldn't be happier. I really like this pads size and weight and would still highly suggest it to anyone needing a lightweight comfortable pad for backpacking. The hand pump works really well and inflates the pad to as stiff as you desire. I used some JB WELD (a lot of glue types will not stick to the plastic as good as JB Weld) to completely glue the button release valve shut. I can still use the pump as normal so I am still very happy with the defective product as well. Will keep the replacement for future use if needed.
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I believe it works better for me inside my bag
by Dan (4 out of 5 stars)
December 3, 2016

I purchased this to replace a ThermaRest pad I used for years. It packs down very small! Having tried it under my bag versus using it inside my bag, I believe it works better for me inside my bag, especially for warmth. I actually paired this with a second pad that goes under my bag and it is very comfortable. (I do camping every month with my scouts and it gets pretty cold in the winter at 5,000+ ft. Yes, I know it's not like adventurous mountain ice climbing.) Even though I'm using two Klymit pads together, together they still pack smaller than my one original pad, and I'm A LOT more comfortable. It blows up quickly too; about 5 breaths.
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Best Lightweight backpacking air mattress for the money.
by williamsr81 (5 out of 5 stars)
February 21, 2013

Can't wait to use this in the field actually did a trial sleep night and camped out on the living room floor with my boys. The mattress is very well built and their claim of a 4-5 breath inflate is accurate. I did use the hand pump to significantly increase the psi and firmness of the mattress. I am 6' 2" and about 235 lbs. and I slept comfortably on it all night.

Update: Have done several nights on this air pad now, with no problems. comfortable as a 1" air mattress can be and has support in all the right places. I would recommend a pack pillow as the head an neck support is not great, but otherwise, built for what it's for.
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Surprise! Amazing ride!
by Kristin (5 out of 5 stars)
February 18, 2016

I bought this to take to Philmont Scout Reservation for an 11 day hike. I had major reservations that it would be sufficient for rough terrain, but after research showed people loved it I decided to go with more money = more quality and bought it. This tiny, thin, weightless pad is amazing! I am 6 feet and 240 pounds and amazingly it supported me comfortably and I slept like a baby. I also took it to Boy Scout Sea Base and slept on it on the deck of a sail boat for 5 days. Again it was amazing. It totally outperformed anything I could have imagined for it. Highly recommended. Even for bigger dudes.
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Small and lightweight
by A (5 out of 5 stars)
April 29, 2018

I like to go hiking, and camping..

Unfortunately I have broken my back a few times, doing stupid stuff..

I am also very fortunate to still have mobility. It could have been worse..

Anyway I have tried several different air and foam sleeping pads.. This one having adjustable pressure with the hand pump is the best invention for a hiking mattress that I have used so far..

I will buy a second one, just for friends to borrow..

Worth every cent for the amazing sleep I got camping on rocks and pebbles..
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A quality pad, but with no apparent niche
by Mike G. (3 out of 5 stars)
February 10, 2017

Pros: The design, materials, and build quality of this pad seem great. It's very easy to blow up with just a few breaths, and the pump makes it easy to increase the firmness. The pad is plenty long and sleeps quite comfortably. Aside from when I initially laid down, I never felt the ground, even when I rolled over or slept on my side. Packs up very small.

Cons: While this is a perfectly good pad, it just doesn't really seem to know what niche it wants to fill. Is it built to be ultralight or is it for comfort? Although Klymit advertises a packed weight of 17.2 oz, I measured my pad at 19.45 oz. I suspect their measurement is without the hand pump and patch kit. In either case, it actually weighs more than the 16.33 oz advertised for the Static V2, which is a full inch thicker (so I would assume more comfortable, though I haven't tried it) and packs smaller. If weight is your primary concern, you're probably better off with the X Wave or X Lite. Both are significantly lighter, and in my experience, the lower 1/4 of this pad doesn't significantly contribute to its comfort anyway.

Aside from the question of the target market for this pad, I do have a few minor quibbles with the design. First, the "integrated pillow" is purely for looks and/or marketing. It's not nearly substantial enough to provide any meaningful cushion or cradling. Second, the cutouts make packing the pad away a bit difficult, though not terribly so. They seem to get hung up on each other as you're rolling up the pad, and they make it tough to purge the last bit of air. Finally, the valve and pump system seeks a bit clumsy. There's one valve to inflate the pad by mouth and a separate connector to attach the hand pump. The pump itself is just a simple rubber bulb with a hole in the end that you cover with your thumb as you squeeze. Again, not terribly difficult to use- just slightly awkward in the hand. A simple one-way valve on the pump would make it easier to use and probably with minimal weight penalty.
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Minimalists dream
by bezserk (4 out of 5 stars)
August 22, 2017

In my hunt to become more of a minimalist in the backcountry I bought this, and was very happy. It's not a full bed of air and by no means the most comfortable but it takes up no room at all in your pack and weighs nothing and I slept great. I didn't realize at first that you could blow it up with the one valve before topping it off with the hand pump, maybe it said that somewhere but once I realized that it blows up nice in like 15 seconds.
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Defective
by Dean Higgins (2 out of 5 stars)
January 9, 2017

A unique design that actually was reasonably comfortable. Unfortunately the one I received would not maintain air pressure and I returned it. Tried it out on the floor so never had the opportunity to use in the field. I did weigh it and it came in at 17.2 ounces for just the pad, 19.2 when the high pressure pump, stuff bag and repair kit were added.
I might try another one but leaving for a desert hiking adventure in a couple of days so no time to wait for a replacement.
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and great for adventure moto trips
by Hank Rearden (5 out of 5 stars)
July 15, 2014

Its small, light, and great for adventure moto trips. I was skeptical when I ordered it and even more skeptical the first time I laid down on it but after the first night sleeping on it I am a believer. This is by far the most comfortable sleeping pad I have ever used. I'm 6'2" and about 210 lbs and it is sized just right for me.

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