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Insulated V Ultralite SL
™ Sleeping Pad

Klymit - Insulated V Ultralite SL ™ Sleeping Pad

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Based on 1 year's data from Feb 15, 2026 How it works

Liked most:

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13


"I used the UL insulated V extensively below zero, down to 20°, **in a quilt** without issue. ... There's insulation inside that looks like high loft Apex and mylar."


"it's insulated too."

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11


"I have a single that I use for backpacking and it’s pretty nice. ... I used to have a really lightweight thermarest but it wasn’t comfortable, especially for side sleeping with bad shoulders."


"I have one of these because I'm a side sleeper"


"I'm an older camper and need more padding than the thinner closed cell mats."

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"I had one for about five years that I used extensively, including through the length of California on the Pacific Crest Trail. ... only ever had a problem with leaks at the end of its life."


"Used and abused Static V going on its 9th year!"


"I've had a Klymit V for about 4 years and use it regularly. ... Only one puncture in the years I've used it but easy to patch and still going strong."

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"I've done this for years and never felt the need for a $200 + sleep mat."


"Super light and cost effective."


"Walmart in the US has Klymit ones for like $40 and they’re not terrible quality."

4

0


"Tiny volume for each."


"I use it for bikepacking or solo backpacking. ... And they’re smaller than a Nalgene!"


"I’m a big fan of the Klymit sleeping pads because they shrink down to a very small bag."

Disliked most:

2

13


"Klymit lies about their r value and it’s really closer to 1.6 or 2. ... I am pissed at them for selling uninsulated pads marketed as insulated."


"i also bought a klymit pad and froze ... their R value is completely fabricated"


"Klymit is known to completely bullshit their R-value ratings. ... They had an insulated pad rated at 4.4 that they later (had to?) revise to 1.9. ... I personally wouldn't trust them. ... just stay clear of the insulated claims."

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11


"Klymit lies about their r value and it’s really closer to 1.6 or 2. ... I am pissed at them for selling uninsulated pads marketed as insulated."


"i also bought a klymit pad and froze ... their R value is completely fabricated"


"Klymit is known to completely bullshit their R-value ratings. ... They had an insulated pad rated at 4.4 that they later (had to?) revise to 1.9. ... I personally wouldn't trust them. ... just stay clear of the insulated claims."

2

2


"of the two I bought both of them wouldn’t hold air in them. It’s the valve system they use, it leaks air."


"If you live anywhere where it gets cooler, it will deflate during the night."

0

5


"My ass is always hitting the ground with the Klymit V."


"of the two I bought both of them wouldn’t hold air in them. It’s the valve system they use, it leaks air."


"Not comfortable on the ground"

0

12


"My ass is always hitting the ground with the Klymit V."


"I wouldnt get the klymit at all."


"I think I’ve determined that I need an open cell/self inflating style pad to prevent hip pain on the ground."

Reddit IconDabbaAUS 1.0
r/bicycletouringSleeping pad recommendations
9 months ago

I have one of these because I'm a side sleeper and it's insulated too. It's comfortable to sleep on, but you need a good tent footprint to stop punctures. CCF would work well.  https://klymit.com/collections/insulated-sleeping-pads/products/insulated-ultralite-sl-sleeping-pad There are reviews of them on YouTube. 

Reddit IconTraumaticTramAddict 1.0
r/CampingGearRecommend a sleeping pad: BA Rapide SL or something else?
11 months ago

I have the Big Agnes Rapide SL and I adore the thing. I’ve been fine in temps in the teens (Fahrenheit) with a 0° rated bag and overquilt. Before that, I had backpacked with an old Klymit UL V from massdrop (anybody remember massdrop? I miss that) and it was decent, but I had no idea that I could be sleeping on a CLOUD. I can sleep on my side on the Rapide. I can sit up without my butt bones touching the ground through it! I love love love it and it’s so quiet compared to other sleeping pads. I share a tent with my SO and I toss and turn like crazy so I wanted something quiet. I haven’t tried the other pads and I normally wouldn’t give a rave review because I did get the sleeping pad for free full disclosure, but I really am SO happy with the sleeping pad. It is nearly impossible to get it back into the stuff sack tho. And it takes a LOT of pumps to fill it.

Reddit IconFr3twork 0.4
r/UltralightMost packable sleeping pad >3 R-value in 2025?
11 months ago

Klymic V lite/ul insulated has a 4.4 r value, between 16-20oz. It's the least costly for a pad with stats like that. I had one for about five years that I used extensively, including through the length of California on the Pacific Crest Trail. I chopped the bottom 2' off and sealed it with an iron, and only ever had a problem with leaks at the end of its life. The downside, unless they've changed it since I had it, is the valve, which you have to blow into. The inflate-sack style is nice.

Reddit IconApprehensive-Ad4663 0.1
r/CampingandHikingLooking for Budget-Friendly Sleeping Pad Recommendations for Spring/Summer Camping
11 months ago

Late the the conversation but I've had a Klymit V for about 4 years and use it regularly. I'm an older camper and need more padding than the thinner closed cell mats. Only one puncture in the years I've used it but easy to patch and still going strong. Only downside is that it takes time to inflate.

Reddit IconAutomatic_Tone_1780 0.1
r/UltralightUL comfortable sleeping pad for side sleepers?
12 months ago

Glad you had success with it! I was super hyped about it from all the accounts of its comfort. Right now my “light” ground sleeping loadout is a klymit insulated paired with Nemo switchback (most comfortable combo I’ve found outside of self inflating) with tarp and bivvy. If I’m going less than 8 miles for an overnight and either the weather is extreme winter or I have a camping partner I haul my stupidly heavy mondo king pad and split the weight of the 3 man tent between us. Been leaning towards just going fully back to my hammmock but I think I’ve determined that I need an open cell/self inflating style pad to prevent hip pain on the ground.

Reddit IconCavalleria-rusticana 0.1
r/canoecampingSleeping pad recommendations?
10 months ago

Klymit is known to completely bullshit their R-value ratings. They had an insulated pad rated at 4.4 that they later (had to?) revise to 1.9. I personally wouldn't trust them. Big Agnes pads are leagues better and have excellent customer service if you have a failure. They replaced my broken pad no questions asked, no shipping costs.

r/canoecampingSleeping pad recommendations?
10 months ago

That's not to say they aren't a good affordable option if you're camping in hot weather, but just stay clear of the insulated claims.

Reddit IconHloden 0.1
r/canoecampingNeed new sleeping pad for canoe trips (sidesleeper) suggestions?
7 months ago

Lots of good suggestions in this thread, but many are on the pricier side for air mattresses. If you need a more budget option, consider the Klymit Static V, it's quite a bit cheaper, and for summer use I find it just fine for comfort as a side sleeper. Just stay away from their insulated pad.

r/canoecampingNeed new sleeping pad for canoe trips (sidesleeper) suggestions?
7 months ago

There's nothing wrong with the pad itself, but Klymit's claims are what's off. Their stated vs ASTM measured R value was way off when it first came out, and I wouldn't trust it (as a Canadian, your climate may differ) as a 4 season pad.

Reddit IconIlovetheMP7 0.1
r/armyBest sleeping mat for the field?
6 months ago

Any insulated Klymit that’s not a crazy color. Used and abused Static V going on its 9th year!

Reddit Icontoltecian 0.1
r/canoecampingNeed new sleeping pad for canoe trips (sidesleeper) suggestions?
7 months ago

I was also going to recommend Klymit. Why avoid the insulated version? I've used one for nearly 10 years and have always been happy with it.

r/canoecampingNeed new sleeping pad for canoe trips (sidesleeper) suggestions?
7 months ago

Ahh fair enough, thanks for clarifying. I'm also Canadian and have used it winter camping to about - 10 C but in conjunction with a Z lite. Shoulder seasons I've used it on its own to about zero and it's better than non insulated but I don't know enough to say it lives up to the claimed R value.

Reddit IconAlpineInquirer 0.0
r/WildernessBackpackingIs the best sleeping pad subjective? Maybe seeking recommendations.
6 months ago

Yes it's a matter of seeing what works for you. Personally - I am a side and stomach sleeper. Mummy type bags and narrow tiny pads suck. I used to use a Nemo bag with a sleeve to receive a Klymit V. This worked ok, but not great at all. I finally got fed up and too the extra weight. I now use a Big Agnes Rapide double wide and a Kelty Galactic down rectangular bag. Went on a trip last week and it was the best camping sleep I ever had.

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