Exped

SIM Lite 3.8

Exped SIM Lite 3.8

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Overall

#107 in

Sleeping Pads

according to Reddit Icon Reddit

Sentiment score60% positive
3
1
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Top Pros

Top Cons

Last updated: Apr 17, 2026

Reddit Reviews

Reddit IconNaoisceDM
10 months ago

https://www.bever.nl/p/exped-sim-3-8-m-MBBCC70028.html?colour=1594 Ik heb je budget een beetje ingeschat. Een exped megamat is de grote broer hiervan en die gaan lang mee bij normaal gebruik en heel comfortabel. Worden vaak als best buy geboemd. Dit is wat kleiner compacter, dunner, maar ook reisbaarder. Hiken, backpacken, weekendje weg. 3 weken camperen zou ik toch voor wat duurder comfortabeler gaan wat meer op een matras lijkt ipv een camping matje.

Reddit Iconziptiefighter
6 months ago

I've had four Expeds. Still have two. Both have the built-in pump. One has synthetic fill. The other has some down insulation which makes it good for ~10F colder than without. The first two developed tiny leaks (could not find them even with submerging). They were a few years out of warranty. Exped still replaced both. I appreciate a company that stands behind their products. I also like side-sleeping. I have not used these as much as what you will. So durability...🤷

Reddit Iconeugenesbluegenes
7 months ago

I was using a backpacking style exped inflatable pad and recently replaced it with a self inflating one. Takes up a lot more space but far more comfortable (and quiet!).

Reddit Iconsaphronie
5 months ago

I have an exped pad for backpacking and I love it. Most comfortable one I’ve ever used

Reddit IconAggravating_Low_7718
7 months ago

Exped is the current king of the semi self inflating mattresses but there are other worthy considerations which are more affordable, especially on sale. I went with a Lost Horizon I found on clearance for half price. Probably not as bomb proof as the Exped, but after about a dozen trips this summer it’s going strong without issues. The bottom line is these type of mattresses are exponentially more comfortable than anything else on the market. I will never go back. The only drawback is they don’t roll up small.

Reddit Iconnova46
7 months ago

I can't remember if ours is an exped or not, but it's a double size one for my wife and I. I remember kind of cringing at the price initially, I think I paid double what our sleeping bag cost. Total game changer. We sleep so comfortably, even in 30 F temperatures.

Reddit Icon211logos
5 months ago

I've had great success with Thermarest, REI, and Exped self inflating mattresses. All have good customer support too. I wouldn't ever bother with an all air mattress. Poor insulation, rotten in cold. Get a FlexTail pump.

4 months ago

I tried long term sleeping on an Exped. They're a seif inflating pad. It did not last a full year. The fabric in those is glued to the foam, and as it turns out tossing and turning can eventually break that bond, and the fabric blister.

4 months ago

Yes. They were going to honor the warranty, but it was less than a year so just easier to drop it at REI where I bought it and get a refund. Definite bummer; great mattress even at home. If they ever do a long lasting home version I'll be all over it...literally. :)

Reddit Iconhefecantswim
6 months ago

I'd say Exped but the "self-inflate" part is a lie. Otherwise they're the best

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