
Exped
MegaMat Series
Car camping comfort champ, but some side sleepers find it thin.

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Same, I use uninsulated for trips that get well into the 40s. Great weight-cost-comfort ratio. I will never carry the insulated one again though. Way too heavy for that overinflated R value. Fine for car camping.
I have a $39 Klymit I've been using for years. Thermorest z lite under that and reflectix under my bag when it gets real cold.
I use a cheaper blow-up Klymit with some reflectix r21 over the top. Super light and cost effective. My blow-up pillow has an elastic strap, which i use to keep them together at the head, and at the toe, I just use a piece of paracord. I've done this for years and never felt the need for a $200 + sleep mat.
My Klymit Static V wide was a game changer for me. I had quit camping. (.side sleeper, hate cold ground) Half inflated it’s warm, holds me in place, and packs small.
As a side sleeper the Klymit Static V was a game changer that got me back into camping. Pro tip: inflate fully. Then when you go to bed. Deflate until it’s comfy.
I have the insulated version and I’m pretty happy with it. Down to 40F I’ve never felt any cold thru it.
Klymit Static V. Game changer for me. Trick is don’t over-inflate.
I upgraded this summer to the megamat LXW & put it on a camptime cot. It was the best sleep I ever had. It had been a few years since I camped. I used to use a klymit static v duo & it wasn’t a good for side sleeping.
The Exped MegaMat Duo is 41” but 4” in depth. I got the single LXW version to go on my cot. I used to sleep in a 2p tent & used a klymit double but air didn’t stay inflated but I stayed on it. Before that I used a single klymit & used to roll off the pad cause it was like 24” wide.
I have the uninsulated static V. Love how small it packs down but don’t buy expecting comfort.
I've also had a klymit static v LITE version I've used numerous occasions over the past half decade including backpacking trips. It's performed basically how id expect. what you see is pretty much what you get being and this kind of pad that is mostly air when set up isn't going to be magically very comfortable or extremely insulating like thicker foam. I like that for backpacking it doesn't take up much space and is lightweight and i can just throw it in my pack. And it's a lot better than nothing... it gets you off the ground at least which is way better than no pad at all when the ground is cold (i remember sleeping in a bag without any pad when i was younger and didn't know any better and freezing my ass off 😅). If I'm going to be in very cold temps (down to even 10-15°F) I've done alright with this kind of pad and a nice down sleeping bag and keeping wool base layers on while sleeping. I also use an old thermarest that i think is a bit more comfortable, but it doesn't pack as small. Just depends on what kind of camping I'm doing (how much hiking is involved) and the weather.

Exped
MegaMat Series
Car camping comfort champ, but some side sleepers find it thin.

Exped
Ultra Series
Lightweight side-sleeper comfort, but a bit pricey and bulky.

NEMO
Tensor Series
Ultralight side-sleeper comfort, but slippery and prone to leaks.

Big Agnes
Rapide SL Insulated Sleeping Pad
Comfortable with side rails, but heavy and warmth claims disputed.

Therm-a-Rest
NeoLoft™ Sleeping Pad
Very comfortable, good service, but heavy and bulky for backpacking.

Ranked #1
Exped - MegaMat Series

Ranked #1
Exped - MegaMat Series

Ranked #1
Exped - MegaMat Series

Ranked #1
Exped - MegaMat Series

Ranked #1
Therm-a-Rest - NeoAir Xtherm Series