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Zinus

Zinus 8 Inch Ultima Memory Foam Mattress / Pressure Relieving / CertiPUR-US Certified / Bed-in-a-Box, Twin

    • Based on 26,091 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, Apr 24
Order within 7 hours and 15 minutes
Available payment plans shown during checkout

Size: Twin


Style: 8 Inch


Features

  • General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.
  • INSPIRED BY NATURE - Wholesome and natural ingredients, like green tea and moisture-absorbing charcoal work wonders in a mattress, and weve designed this one to control odors, maintain freshness, and envelop your shape so you awake restored and refreshed.PRESSURE-RELIEVING FOAMS - Layers of conforming green tea memory foam, soft Z:Comfort foam and high-density Z:Base foam hug your shape to soothe you to sleep
  • CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content
  • EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box thats easily shipped and maneuvered into the bedroom; please open your mattress box within 72 hours of receipt and let this mattress decompress
  • Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs

Description

There’s no comfort quite like the kind you get from a big hug. The Ultima Memory Foam Mattress delivers just that -- enveloping comfort that fits your shape like a glove to soothe you to sleep. Created with a special blend of high quality foam layers, it features our famous green-tea and charcoal infused memory foam for a mattress that stays fresh and odor-free over time. An airflow-boosting layer of cradling Z:Comfort foam and a durable Z:Base foam layer finish off this fine-tuned system of top quality foams so your body’s curves are supported and allowed to rest naturally, leading to sounder sleep with no more aches and pains. This skillfully crafted design arrives at your doorstep in one wondrous package and instantly begins to expand to its original glory once unboxed; it’s as simple as that! Already loved and highly rated by thousands of happy customers, the Ultima mattress includes a 10-year worry-free warranty, so you can be sure that it will put both your body and mind at rest.


Item Weight: ‎28.5 pounds


Product Dimensions: ‎75 x 39 x 8 inches


Country of Origin: ‎Indonesia


Item model number: ‎SM-SC-BTCM-8T


Is Discontinued By Manufacturer: ‎No


Assembled Height: ‎8 inches


Assembled Width: ‎39 inches


Assembled Length: ‎75 inches


Weight: ‎37 Pounds


Date First Available: May 1, 2012


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Apr 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • In short, simply blown away!
Size: Queen Style: 8 Inch
This review is after about 3 months of usage. In short, simply blown away! This is by far the best 'thing' I've ever slept on. From floors to air pads, dorm room bunks, blow-up mattresses, dingy motels, and 5-star hotels - you name it, I've slept on (or in) it. In detail, I'm 6'5", 180lbs and went with the queen 8" mattress for me and the full 4" mattress for my daughter. I slept on a luxury queen pillow top mattress and box spring for the last 6 years. We moved into a new place and I decided to use these mattresses temporarily while I took the time to test out my next long term set. On morning number one, for both my daughter and I, we couldn't stop talking about how insanely comfortable the mattresses were. Here are some factors that coincide with my experience. With my Garmond health monitor, I could see a distinct positive difference in my deep sleep cycle between the previous mattress and this Zinus Sleep Master. I used to fall asleep with books, magazines, remote control on the bed next to me and wake up with them on the floor. Now, they stay right where I left them. I may roll over once or twice but I usually wake up in the same position I fell asleep in and when I wake up, I'm awake! It's almost scary to realize how much of my life went by without this kind of rest. I did read a ton of comments and the ones that cause most concern I'll compare. First, the packaging was fine. The box is big and bulky but I could carry it up 2 flights of stairs without rest or the need for help. The mattress comes vacuum sealed in a thick plastic wrap. Be careful slicing it open as it's tight on the mattress and you can accidentally cut the removable (and washable) zippered wrap or even into the mattress itself. Regarding the odor that people have noted in other comments. There was a factory/chemical/plastic smell. I'd have to say something closer or comparable to a very light 'new car' smell. Like anything new I wear or sleep under, I washed the thin zippered wrap by itself and dried it once. I've always put a couple dryer sheets on a mattress when I change sheets and did so again with the Zinus mattress. There was no chemical smell after washing the wrap and I'm actually in bed now laying on it while writing this review and there's no smell at all. There was no mold anywhere to be seen. It's unfortunate that people experienced it and I'm not sure if it's a factory issue or a storage issue. Both mattresses came vacuum sealed in heavy plastic - heavy enough to keep the mattress compressed until it was removed from the box AND cut open. I didn't see it mentioned whether or not the mattress seal was broken or the box it came in had any damage. I'd be turned off as well if I saw that kind of mold and wouldn't buy again but having slept on it - It's worth returning for a new one in my opinion. It did take several hours to uncompress. No more than 24 hours for the 4" and 8" sizes but we both slept on them the same evening and experienced an incredible sleep. I did purchase two collapsible smart frames (another great purchase I'll have to review later). There's literally no need for a box spring in my setup as the smart frames are high and built to use bins underneath for storage. As is, they would replace your current mattress and sit on top of your current box spring. My daughter had a fruit punch Gatorade (red) that was not sealed all the way in her soccer bag. It leaked into the center of the mattress about a month ago. To clean, we used a little detergent and warm water to saturate the spot and pressed a towel down to absorb it. Repeated until there was no red coming up but there is a noticeable red stain (as there would be on any mattress I'm sure). What made it easy to absorb is that you can push down into the mattress without air or spring coils so saturating the spot with clean water and detergent really got the bulk Gatorade out. In the future, I would get the 12" for myself (because I enjoy a high bed) and the 8" can go to the guest room. I'll be getting another 4" full size for the pull out sofa mattress and I'll get my daughter a 4" twin when she goes off to college. ... show more
Reviewed in the United States 🇺🇸 on February 19, 2017 by Anthony
    • PRETTY MUCH A KEEPER
Size: Queen Style: 8 Inch
UPDATE (30 OCTOBER 2016) On the plus side, as the chemicals in these mattresses evaporate, the mattress seems to get a whole heck of a lot lighter; but, on the downside, it appears to get firmer over time, even after many months (almost a year)---perhaps the latter is because the middle foam section of the mattress is "wearing out" much too quickly(?); I don't know. (End of update) ORIGINAL REVIEW I had both my hopes for, and my doubts about, this mattress (8-inch); and, aside from a couple of now apparent downsides which have become evident after having slept on it for about one month, it has pretty much met my expectations. One of my primary observations is: Thank Goodness I didn't get the six inch one! Also, for being nothing but foam, it weighs a frigging ton both before and after it is unpacked! (Heck, I think it weighs as much as my regular, non-foam queen size mattress!) So, if you've got a bad back, forget about it, wear your low-back brace before working with it, and/or get some help to expand it and move it around! See my further feedback, as follows: PROS Well packaged and shipped Relatively easy to unpackage Expands nicely upon being spread out Nice cover over the entire thing Looks attractive once fully expanded CONS Both package and mattress itself are extremely heavy Not the easiest item to unpackage and expand Very difficult to maneuver around and into place (Being nothing but foam I thought it would be a lot lighter) Appears to get firmer the longer it is exposed to air After the recommended 48-hours to allow it to fully expand before using it, I began sleeping on this mattress immediately, and every night since, and I have found it to be relatively comfortable. Being that the six inch one (not the one I purchased; I purchased the eight inch one) only has the two-inch memory foam which pretty much compresses down to nothing with weight on it, on top of the four-inch firm foam with nothing else in between (no other section of foam), it is my belief that the six-inch version of this mattress would be much too firm, especially since the eight-inch version, the one I purchased, has turned out to be pretty firm in and of itself. Personally, I believe that the bottom firm section of foam should only be two-inches thick, and then that the next section of foam should be four-inches thick of the medium-density foam, or two 2-inch sections of foam, one firmer but not as firm as the bottom one, and the second one (third one including the bottom foam), on top of it, the medium-density, or less firm version of foam than the one below it, and then the two-inch memory foam topping it off (in other words, designed more like the twelve-inch-thick version of this mattress). It is my belief that this way it would be a lot more comfortable (except for those people who require and/or prefer quite firm mattresses). As I said in my "cons" (my final "con") above, initially, the longer this mattress is exposed to the air, it appears that the chemicals in it cause it to get firmer; so, if you don't want a pretty-firm mattress, I would not recommend this one. I have a very bad back (though it could be worse; and, thank God, it isn't) and sleep mostly on my sides (I can't sleep on my back or stomach without making my low-back worse), and I find this mattress to be a bit too firm for me; but, like my back, it could be worse; so, it's probably pretty much as good as I could have expected it to be, and I am very glad, appreciative and grateful that this mattress isn't even firmer than it is. Thus, for me anyway, the moral of the story is that this mattress would be much better for me if it wasn't as firm as it is (my shoulders and neck still get sore during sleep, and are still sore in the mornings upon arising); and I really don't want to add a two-inch, non-memory-foam "topper" to it; because, without an extremely over-sized fitted bottom sheet (which probably don't exist), it would move around too much; and, even if I did add a two-inch-thick piece of "topper" foam, using a "deep" fitted bottom sheet, that added foam would probably still move around too much. But, perhaps now that this mattress has had a chance to be exposed to the air for a month, rather than getting even firmer, it will "break-in" over time and at least get a little less firm with further use? I sure hope so, because it certainly needs to be not quite as firm as it is! Since I live and sleep alone, I am breaking this mattress in as evenly as possible by rotating my body and sleeping position every night to a different position, or one of the five positions, or sections, of the mattress, primarily the main three, right, left and center (not necessarily in that order), and then the two sections in between those three. In the long run it should make the mattress more comfortable as it breaks it in more and more, breaking it in evenly, and make certain that, though the memory foam keeps it from showing, the mattress doesn't develop sagged spots, indentations, soft-spots, compressed and/or worn out sections that one's body tends to want to roll towards and that don't provide good, sufficient support, thus causing (more?) bodily discomfort and/or pain. In summary, this mattress may or may not be for you. [I must say, though, that it is MUCH better than sleeping on the three, worn out 2-inch-thick pieces of foam that I was using on top of my regular queen size mattress before(!)---I now have this new mattress also on top of the regular (eight-inch-thick) queen size mattress; and, though it is (much?) too high (sixteen inches thick from the top of my platform, which is high as it is, it is working out acceptably; but, though I have thought about removing the regular mattress from underneath the new one, I'm concerned that then the new mattress would be even firmer {and much too firm?}, and unacceptably firm, if I did so; therefore, I am leaving it as it is, at least for now {it is a little difficult to "climb" onto the bed, but it's not too bad!}).] What else can I tell you? If you have any questions for me, please feel free to ask them, and I will answer them to the very best of my ability(ies). ... show more
Reviewed in the United States 🇺🇸 on January 29, 2016 by Steppen-Wolf
    • Excellent mattress especially for the price
Size: Twin XL Style: 8 Inch
I had previously bought a queen sized Zinus mattress with a metal platform base when I was in a year-long/temporary living situation and needed an inexpensive bed. I ended up adding a foam mattress topper, and since then it has become my favorite place to sleep, >4 years later. When I needed another mattress I didn't even consider a traditional one but went straight for the Zinus. I got an 8 inch Twin XL, and will be adding a 2 in foam topper. The mattress expands almost entirely within 12-24 hours of removing it from its package; the corners take a bit longer, but in my experience now x2 it comes out great. Kind of magic, for a mattress that gets delivered in a box to your front door. It's very comfortable. I'm not sure I'll buy a traditional spring mattress ever again. ... show more
Reviewed in the United States 🇺🇸 on January 5, 2023 by ES

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