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Splendorest 4-inch Memory Foam Mattress Topper

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ITEM# 15231561
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    Splendorest 4-inch Memory Foam Mattress Topper
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    Made in USA


    ITEM#: 15231561

    Sleep more comfortably without replacing your mattress with this Splendorest memory foam bed topper. Crafted from space-age foam originally developed for NASA, this foam bed topper amply cradles your body and disperses weight evenly to improve circulation and prevent stiff muscles. Temperature-sensitive foam keeps you from getting too hot or cold during the night.

    • Measures 4 inches thick
    • Density: 2.5 pounds
    • Cover: None
    • Cover care instructions:
    • Originally designed for NASA, this space age foam cradles the body, reducing pressure points that cause tossing and turning
    • Temperature sensitive foam adjusts to body temperature so you stay warm
    • Improves circulation
    • Eliminates motion transfer and uncomfortable pressure points
    • Never needs turning
    • Disperses weight evenly
    • Can be used with an existing frame
    • Great for platform beds and slatted frames
    • Meets all flammability standards

    • Twin: 4 inches high x 34 inches wide x 72 inches long
    • Full: 4 inches high x 50 inches wide x 72 inches long
    • Queen: 4 inches high x 56 inches wide x 76 inches long
    • King: 4 inches high x 74 inches wide x 76 inches long

    Memory Foam Tips:
    • Remove from packaging within 72 hours to maximize expansion.
    • This product arrives very tightly packed. Unwrap and allow 48 hours to return to original shape.
    • Being sealed in plastic packaging sometimes traps odors. After unwrapping, allow product to air for a few hours.
    • Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions.

    The firmness level of every item is unique. Please be advised that even similar products may produce different firmness results.

    Once opened this product is non-returnable.


    Type Mattress Topper
    Thickness 4 Inch
    Memory Foam Type Memory Foam
    Density 2.5 Pound
    Firmness Firm
    Product Features Antimicrobial Hypoallergenic Made in USA
    Dimensions See Description
    Warranty 2 year Manufacturer
    Model Number 031374544050

    Customer Reviews

    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    • Excellent Memory Foam topper!!!

      We love it! Haven't slept this great in years! We just need to find a proper cover for it that goes over the topper & the mattress to keep it in place better. I'm sure we can find one, but otherwise it's absolutely outstanding & I don't want to get out of bed ever! Great deal from Overstock!

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    • ok

      it's ok - i stopped using it. it got a little hot.

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    • AAAAAH

      If you want something with some give and will go with the curvature of your body, then you just found it.

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    • Darlene Smith

      The perfect fit for a firm mattress. Gives it that extra needed comfort.

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    • PBJ

      Love this mattress topper. Comfortable.

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    • Great for chronic back pain

      I initially bought the 4" memory foam for my queen sized bed at home after a car accident almost 2 years ago. It took a bit to get used to sleeping on it (I felt like I was sinking into a giant marshmallow) but now, I hate leaving home because I sleep terribly without it!! When I was scheduled for back surgery, my family and I made plans for me to recover at home with my folks. I ordered the twin sized pad for my bed there and it made recovery so much more bearable. It allowed for me to sleep on my icepacks with ease and gave me both much needed support and cushion. My dad opened it up and left it to air out a couple days before I was released to go home. There was NO CHEMICAL SMELL (unlike my queen sized Serta pad - which still smelled for 2 weeks after I opened it up). I do have a tendency to sweat on the pads if they are only covered by a sheet but I cover them with a cotton mattress pad and it remedies the problem. I LOVE THESE. My massage therapist suggested the pad to me and said 4" was best, 3" would suffice, but nothing less as it would just be a waste. I'm so glad I listened to her!!! It was the best money I've spent!!

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    • First night, high praise

      First off, I think the "rate the comfort of this product" slider is a bit inaccurate. My rating is "average comfort" because it is right in the middle of softness and firmness, yet I find the rating language to be deceptive. Memory foam is a firm material that cushions your body's contours, and it feels like sinking into a dense yet fluffy marshmallow- it's soft enough to sink into but firm enough that it takes a while for the material to spring back. The comfort is DEFINITELY above average, and the memory foam yields an equal mixture of firmness and softness., if you're reading this, perhaps you could consider changing the language to say "very comfortable or very uncomfortable", or else make your question about the density of the material so "very soft" and "very firm" make more sense? Anyway, I bought this to extend the life of my almost-10YO Ikea mattress rather than invest in a brand new bed altogether. This morning, it was SO hard to get out of bed. Boyfriend also remarked at the huge difference he felt immediately after lying down. When I woke up, I had no stiffness or soreness in my shoulders and neck. Felt totally rested. The product has a slight chemical smell upon opening it, but airing it out makes the scent dissipate, and I let it sit on top of my bed to aerate and reform itself (it comes rolled tight in a box so it needs time to shape itself) for about 4 hours. After that time, the scent was 90% gone and it had retained its original shape. Some reviewers have told about the intense smell or long time they had to wait, but perhaps this period is dictated by the sensitivity level of your sense of smell. I didn't have to wait long at all, and only smelled trace chemical scent when I hit the sheets. This morning, the smell was entirely gone. Also, this product is 100% memory foam/polyurethane, whereas some mattress toppers are only 2" of the material on top of cheaper foam. Folks, this is the real deal and I must say, it is a god-send. Also, it took about a week to come in, which was neither too long or short a waiting period. If you need a mattress topper, this is the one. Today (1/16) is the last day to get it at sale price, so act fast! I am beyond happy I invested in this and I look forward to staving off bed shopping for another few years. Can't wait to get back to bed tonight!

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    • Comfortable addition to old matteress

      This is the second "topper" that we have purchased and are very satisfied. The first one lasted over three years, so it was about $50 a year. Very comfortable, and it makes your old mattress new again. We just put a board or cardboard under the topper, and it smoothes out the lumps and the topper is perfect. Much better and cheaper than a new mattress. Comes in big box and unfolds.

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    • Used to make cushions

      I already enjoy memory foam on my beds at home and in my RV. My outdoor furniture cushions needed to be repleced, and they are pricey to buy. Instead, I bought this pad, cut it up, and voila - I now have better cushions and a much better price.

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    • Love it

      We bought this mattress pad for my mother. She wanted it as a Christmas gift. She absolutely loves it. Her bed was getting old and very uncomfortable, it was making her back hurt all the time and she couldn't sleep. Now she sleeps through the night and gets a full nights rest. I would totally recommend this product to anyone else looking for a more comfortable nights rest.

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    Questions & Answers

    Get your product questions answered right here.
    • Cover thickness vs person's weight: I weigh 235 lbs and can't find any decent information on choosing a foam bed pad. Do I get 1", 3lb, what? Is there anyone actually doing any science on this?

      • Hello JB, I will leave our shopping guide. I hope you find some useful information. Thank you for shopping with us.

    • Hello can anyone tell if this is really memory foam or something else because some say they are but they are really not and how hard it is? Also would I need to buy anything else to go with this? Thank You to anyone who answers this.

      • Hello Nicole D, this item is a firm topper. It is not a mattress. If you are looking for a firm memory foam feel to add support to your existing mattress, this will be a great fit. Please keep in mind, you'll want to purchase a cover to go over this topper and your mattress. I hope this information helps. Thanks for shopping with us!

    • Is there a warranty on this item

      • Hello BecLJordan, this includes a 2 year manufacturer warranty. Thanks for shopping with us!

    • Why did you choose this product?

      • Because the many reviews I read were very favorable, compared to a couple of the other toppers I looked at.

      • Poor sleep, waking up sore

      • It had a high reviews and a good price

      • I purchased this topper for myself. I have chronic back pain also . I read the reviews and they were good so I'm gonna give it a try.

      • Reviews and price

      • for my bed in my travel trailer

      • My daughter has one of these toppers and loves it!!

      • Had this mattress topper before for 5yrs. I absolutely loved it, just time for a new one.

      • Purchased for an RV Loft Bed with a "mattress" more like a shelf! I've used a 4" Topper in a previous RV, so I know this will make bed much more comfortable.

      • We actually had a mattress with memory foam..husband has bad back..bought a VERY firm one...I'm not sleeping well at all...thinking this will help me on my side of the bed. Thank You!!

      • Read good reviews and my current memory foam is worn away in the center. Was looking to replace

      • Based on reviews

      • Price was right, and quality level acceptable

      • It was the size I needed for a great price

      • I purchased it for myself and really love it. Now, I am buying it for my daughter to keep her from "stealing" mine

      • Purchased one in the past, Super comfortable

      • Already have one of these toppers and it has been a very good topper so this one is for my guest room.

      • Hoping to duplicate my home mattress on a vacation bed.

      • A friend recommended it and loves it.

      • comfort, good reviews, great price - all memory foam

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    • Could this be used as replacement for sleeper-sofa mattress. Would folds become premanent?

      • Hello tnshashie, no, this topper could is not designed to be used as replacement for a sleeper-sofa mattress. Thank you for shopping with us!

    • Is this all 4 in memory foam ? or 2 inch foam 2 inch cushion.

      • Hello ranjibhusan, this is all 4 inch memory foam. Have a great day!

      • 4 inch

      • It is 4 inches of memory foam

      • 4 inch memory foam

      • It is not a firm memory is too soft, and is not true to sizes.

      Read more Read less

    Shopping Tips & Inspiration

    Shipping & Returns


    Leaves our warehouse in 1-5 business days. * *

    Standard Return Policy:

    Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

    FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

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    Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.

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