Sea To Summit

Ether Light XT Insulated Air Sleeping Mat

Sea To Summit Ether Light XT Insulated Air Sleeping Mat

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Overall

#8 in

Sleeping Pads

according to Reddit Icon Reddit

Sentiment score62% positive
16
3
7

Top Pros

Top Cons

Last updated: Apr 11, 2026

Reddit Reviews

Reddit IconBottleCoffee 1.0
r/UltralightCanadaSleeping Pad
3 months ago

I have a S2S (short model) and I kind of wish I got Nemo Tensor.

r/UltralightCanadaSleeping Pad
3 months ago

I found mine really didn't live up to the R rating. I was freezing even at +7, and I normally run hot. I wonder if the wet saturated ground had something to do with it, but I never had issues like that with my old MEC self-inflating.

Reddit IconBobby6k34 0.8
r/motocampingWhat‘s the comfiest (ultralight) camping mat for dual sporting?
10 months ago

I love my Ether Light highly recommend and from what I've heard there warranty is exceptional. I went with the XT Insulated req wide amazing sleeps on it.

r/motocampingWhat‘s the comfiest (ultralight) camping mat for dual sporting?
10 months ago

I love my Ether Light highly recommend and from what I've heard there warranty is exceptional. I went with the XT Insulated req wide amazing sleeps on it.

Reddit Iconlenn_eavy 0.5
r/CampingGearAlmost there! Narrowed down my sleeping pad search and it's between the Nemo Tensor All season and Sea to Summit Ether light XR. What would you pick?
7 months ago

My wife has S2S mattress - the one you are looking at or slightly colder and she likes to sleep warm. We were doing Tour du Mt Blanc this year and you want all the comfort you can get for multiple days of 1000 m up and downs even if it is worth few grams more. Nemo seems to be thicker though? And you don't have to inflate it all the way, so it will make more room for your hips but watch out, too close to the ground and it'll get cold in the middle of the night. We both use Cumulus 250 quilts and I have Thermarest NeoAir Xlite (R 4.5) - I was sweating some nights so if anything, Nemo will be too warm for the proper Summer and maybe shoulder months.

Reddit IconAccomplished-Way1575 0.5
r/bicycletouringBest winter sleeping pad for comfort, warmth, and durability?
6 months ago

Exped Dura. It has down. I have the 6R LW. You can get a slightly lighter version which is lighter due to thinner face fabrics. Avoid StS Etherlight XT at all costs, as I have had two getting pinctures where the dividers attach. Constant flats from just lying on them. And I am not the only one. This is why I bought the Exped Dura.

Reddit IconAggravatingTooth1901 0.5
r/AppalachianTrailSleeping Pads for Thru Hikes
4 months ago

I like my ether light xt by sea to summit. But it’s really the only decent one I’ve ever tried so. Or much to compare it to.

Reddit Iconaskvictor 0.5
r/CampingGearSleeping Pad suggestion
7 months ago

The sea to summit is 10cm thick, which is amazing for it's size and weight. But it's made of a noisy fabric

Reddit Iconbadi95 0.5
r/CampingGearExped vs Lost Horizon sleeping mats
9 months ago

Ended up getting a couple sea to summit mats on sale for $60.

r/CampingGearReady to pull the trigger on a megamat
5 months ago

I got some Sea to Summit Ether Light XT pads on sale a few months ago for the kids and they seem to be happy with them. So they may not need something as nice as a megamat for a little while.

Reddit IconBeneficial_Clock6838 0.5
r/UltralightTensor all season vs Xlite Nxt?
8 months ago

Test both and then decide, because everyone has a different body. I personally switched from the Sea to Summit Ether Light XT Insulated (size L with similar baffle structure to the Tensor) to the Therm-a-Rest NeoAir XLite NXT (size RW). Both are wide, the NXT is just regular length and as a side sleeper, I’ll never go back. I think the crucial point is to inflate it to the right pressure because overinflation won’t be comfortable. My preferred pressure is when I sit on the pad I almost touch the ground, but when I lie down, it feels perfect.

Reddit Iconbillymcnilly 0.5
r/UltralightIs it worth it to invest in an inflatable sleeping pad?
11 months ago

Self-inflating foam mats seem like a good middle ground. I hadnt seen the nemo flyer. Looks very similar to the new sea to summit pursuit self-inflating that i just got (5cm thick, 600g). It's extremely comfortable and i cant wait to try it out, after getting zero sleep on my etherlight xt recently. Do you have the zlite for extra padding, or for extra warmth?

r/UltralightVery poor sleep on the NeoAir X Lite NXT. Recommendations?
11 months ago

Ive used the sts ether light xt and the ba zoom ul, and the zoom ul is more comfortable for a side sleeper imo. Not sure if the xr is much better than the xt

Reddit Iconbutters091 0.5
r/WildernessBackpackingHow much better are “nice” sleeping pads?
8 months ago

Just used my Helix last night and would recommend. To me it’s much comfier than than the Sea to Summit Ether Light XT I had before