DUMOS Memory Foam Mattress Topper Full, 3 Inch Thick Gel Infused Bed Toppers for Full Size Bed, Cooling Soft Mattress Pads for Sleeper Sofa, RV, Camper, CertiPUR-US Certified, Blue
Condition: New
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Thursday, Nov 13
Size: Full
Item Display Height: 3 Inches
Features
- Memory Foam
- Breathable and Temperature Regulating - We understand the importance of staying cool during the night. Our mattress topper is infused with a breathable gel layer, which helps dissipate heat and regulate body temperature, keeping you comfortably cool all year round.
- Memory Foam Bed Topper - The perfect addition to transform your bed into a cozy and comfortable haven. Crafted with meticulous attention to detail, this topper is designed to provide unbeatable support and relaxation for a restful sleep night after night.
- Superior Comfort - Our mattress pad is made from high-density memory foam that conforms to your body's unique contours, relieving pressure points and minimizing discomfort. Say goodbye to restless tossing and turning, and wake up feeling refreshed and energized.
- Pressure Relieving Support - Our innovative memory foam material adapts to the shape of your body, providing targeted support where you need it most. This remarkable feature helps alleviate common aches and pains, ensuring a more restful and comfortable sleep.
- Easy to Set Up - Installing our mattress topper is effortless. The memory foam topper is compressed and packed for easy transportation. So please put it in a ventilated place for 24 hours and let it return to its original size. In addition, please do not leave the sponge in the sun, it will turn yellow.
Brand: DUMOS
Color: Blue
Size: Full
Fabric Type: Memory Foam
Special Feature: Vacuums
Brand: DUMOS
Color: Blue
Size: Full
Fabric Type: Memory Foam
Special Feature: Vacuums
Closure Type: Pull On
Product Care Instructions: Dry Clean Only
Water Resistance Level: Not Water Resistant
Age Range (Description): Adult
Material: Memory Foam
Model Name: Mattress Topper for Full Size Mattress
Number of Items: 1
Manufacturer: DUMOS
UPC: 790943632771
Product Dimensions: 74 x 54 x 3 inches
Item Weight: 14.5 pounds
Item model number: XPA-MF-3F
Refill: gel, latex, memory_foam
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Nov 13
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
Size: Queen
Item Display Height: 2 Inches
I purchased the 2-inch gel memory foam topper to help with a mattress that was too firm and causing shoulder and back pain. The difference was immediate — my back pain disappeared after the first night. The topper is soft enough to contour to my body but still provided great support, so I don’t feel like I’m sinking in. Two months in and still holding great shape. Before this, I had a much more expensive 3-inch topper from another brand, but it flattened out quickly, lacked support and made my back pain worse. I had to remove it after just a few weeks it was so bad. I took a chance on this one because of the price, and I’m so glad I did — it’s held its shape beautifully. I even convinced my parents to get one after trying mine. Highly recommend for anyone looking to soften a firm mattress without losing support. It feels like a new bed at a fraction of the cost.
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Reviewed in the United States on October 17, 2025 by Brittany V.
Size: King
Item Display Height: 3 Inches
This mattress topper is ELITE - it comes super compact in a box so it was easy for me to bring inside and unpack myself (vs some of the other bulkier ones I've used in the past). It expands and is the full thickness within a couple of hours so we could use it the same day it was delivered. It definitely feels "cool" to the touch and keeps us comfortable all night long. Totally worth the money! This is the second one of these we've had and it has helped with my hip and back pain significantly since purchasing.
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Reviewed in the United States on November 3, 2025 by Erin Bothwell
Size: Queen
Item Display Height: 2 Inches
WOW AMAZING. I’ve been suffering from back pain and I’m a heavyset 202lbs stomach sleeper. This is day 5 of having this mattress topper and my lower back pain went from severe to barely noticeable after a few nights of sleeping on this topper. If you are looking for SUPPORT AND COMFORT this is the one, if you are looking for more plush I would recommend a 3inch topper. I have the 2inch and this is exactly what I needed as a heavy stomach sleeper. Firm enough with a little plush but good support. At this price you can’t beat that.
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Reviewed in the United States on October 31, 2025 by Amazon Customer
Size: Twin XL
Item Display Height: 3 Inches
There's a lot to choose from on Amazon, but I went with this one because the price/*rating looked good. I am very happy with it, and can definitely recommend it. I am working on a ship and the mattress in my room is ok, but with this on top I sleep like a baby. Not a real baby with a diaper or anything like that. I don't cry. Maybe sleeping like a baby is a bad comparison. I sleep like a clam. ... no, that's not right either. I think I sleep normal now. Not like I used to - tossing and turning, thinking up country western songs until all hours and such. Feels so good to get a good night sleep for a change. I'm gonna get one of these for my dog and horse both ! And if the old lady makes me sleep on the the couch, as she does sometimes, well this here memory foam mattress topper, the 3 inch one, is coming with me ! I tell her: " get your own dang three incher and good night ! ". Buy one and sees for herself !
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Reviewed in the United States on October 16, 2025 by Raka Rob
Size: King
Item Display Height: 3 Inches
We have a 10-year-old Serta memory foam mattress that isn't as comfortable as it used to be. Decided to give this a try before going on an expensive new mattress hunt. So far my husband and I are both really pleased with it! Neither of us are waking up with stiff necks and shoulder pains anymore. I also get sore hips very easily and this topper has not caused any issues with that. It's a bit squishier than we anticipated, but I think that's why it's working so good for us – it molds to our curves. Love the gel infusion – it feels like it will last longer and hold its shape better.
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Reviewed in the United States on October 23, 2025 by Kristin E.
Size: King
Item Display Height: 3 Inches
I’ll start off by saying this topper is a back saver, I currently have a sleep by number bed at home, and it was roughly 2 years ago, I was waking up with this upper left back pain, it would reside after about an hour of moving around and stretching, I bought this topper for my RV mattress, I used it the first night I woke the next morning completely pain free, amazing. I’m 6’4 310#, for the price I was amazed, money well spent.
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Reviewed in the United States on November 2, 2025 by Mickdund
Size: Queen
Item Display Height: 3 Inches
I unpackaged my foam mattress topper and it opened up perfectly. I placed it on my mattress, it was a perfect fit. I then placed a mattress protector over it and made the bed. The first night on it, it was like sleeping on a cloud! I had an older mattress that was very hard and I never really wanted to sleep on it. Wound up sleeping on the couch because it was more comfortable with my broken vertebra and ruptured discs. With the topper, I can't wait to snuggle in at night! I absolutely love it and highly recommend it. P.S. I was worried there would be a smell from the foam, as I am highly sensitive to odors. Let me tell you, there is no scent at all! GET ONE FOR EVERY BED YOU NEED A LITTLE EXTRA COMFORT ON!
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Reviewed in the United States on October 4, 2025 by A. N. Point Pleasant, NJ
Size: King
Item Display Height: 3 Inches
Very plush and directs heat away from the body nicely. It’s been a nice addition to the mattress. Sleep very well. I do have to separate myself from my partner a bit more due to our size difference~I do tend to roll into him otherwise. I put it into a cover as soon as I got it to protect it and hold it in place on the mattress. It was easy to plop on the top of the mattress and makes for a very cozy bed indeed. I notice my body refreshed and pain free when I wake up so the decompression is very nice. I don’t know how washable it is or if it protects since these are not really valid questions since it’s inside a cover.
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Reviewed in the United States on October 14, 2025 by McRanch