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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90-day returns
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FREE 90-day refund/replacement
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
Tuesday, Mar 24
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:
Tuesday, Mar 24
Yes, absolutely! You may return this product for a full refund within 90 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.
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Top Amazon Reviews
Got a full size 3 inch for my daughter, a teen who hates her hard mattress. She absolutely loves it and says her bed is comfortable, she sleeps better, and doesn’t wake up with back pain. Seeing her love it, I got myself the king size 4 inch version. My mattress is about 15 years old and much softer than hers but is showing its age and has areas that sag. It’s such a deep mattress that I use it on its box springs on the floor for maximum support. But, I was starting to wake up every day with lower back pain plus I have a hard time sleeping on a sore shoulder with a partial rotator cuff tear. I LOVE my mattress topper maybe more than my daughter loves hers! Sooo comfortable. You don’t sink in too much but it molds to your body with wonderful memory foam and even at my 4 inches thick, it retains its original shape as soon as you get up. If it makes sense I feel this topper firmed up and corrected the sag my mattress was getting due to age while also adding a soft cushioning. It’s so comfortable, not too firm, not too soft, just very good thick memory foam doing the best of both. It fits my mattress perfectly but since it’s 4 inches snd my mattress is already extra deep, my deep fitted sheet fits but won’t tuck under. This is not a problem because it stays put anyway. I can’t say this topper is cooling, but it’s not hot either. I sleep comfortably. I can sleep with an electric blanket on cold nights or warmer nights a cooling blanket is perfect. I am always the right temperature, just expect to use the type and amount of bedding to get what you desire there. The one thing is this topper does have a significant odor but with sheets on it’s not too bad, hopefully it will air out over time, but it doesn’t bother me and I’m sensitive to smells. Completely worth every penny and should last a very long time, but wasn’t so expensive so would also be easy enough to replace. Would definitely want to keep this one for sure. I LOVE it, I get such a better night of sleep, I don’t know how I made it without this! 10/10 highly recommend. My daughter says the same about her 3 inch full, I love my 4 inch king!
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Reviewed in the United States on February 4, 2026 by Glitchzig
Great! Very comfy and love it. My daughter loves how it forms and “holds” her but it’s not too squishy. Good for stiff backs. Worth it. Doesn’t feel sweaty or hold body heat. For the price and size, it’s totally worth it!
Reviewed in the United States on January 22, 2026 by Jalaina Presley
I like this a lot so far! I struggle with insomnia and chronic upper back pain, so my sleep is very inconsistent. I bought a new mattress a few years ago, but after a year it started hurting and I couldn't return it. Thanks to this topper, I can sleep in my own bed again. It's so cushy that I can't sleep with a pillow when I'm on my back, but I don't mind- it's very comfy and contours to my neck and head. I've been getting more sleep than usual, and it's been better quality. I didn't have any issues with smell, or the pad taking too long to inflate. The only thing close to an issue that I have experienced is a bit of difficulty in keeping sheets on and keeping the foam centered on the mattress- but I don't mind the first issue very much and I might solve the second with some carpet tape. In general, this thing is working really well for me so far, and I'm glad I bought it!
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Reviewed in the United States on June 6, 2025 by Will
Excellent topper. I purchased this one and a more expensive one. I prefer this topper because it added firm comfort. The other one was too fluffy.
Reviewed in the United States on January 11, 2026 by Miss M
I bought a twin size from the same vendor/brand, & loved that one. Moved & got a full size bed. Somehow, it's not as cozy-feeling. I know it's not the mattress because my old "bed" was a hard-as-a-rock Ikea convertible sofa. I find it a bit difficult getting out of bed or changing position in bed: even though it's quite firm, the foam kind of hugs me. I feel that I have to lift myself up to "get out" of the topper, then shift position. I haven't woken up with weird kinks, pains, or stiffness. [Had a live-in job for 6 mos & that bed was Stiff Neck City.] So, I feel that I'm being ingracious to say that I don't like this topper. Maybe I'll get used to it. BTW, no bad odor. No scent at all.
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Reviewed in the United States on September 8, 2025 by Mauserati
We bought this because our son thinks his bed isn't comfortable. This mattress topper absolutely changed that! It's is so much softer, more comfortable than his original mattress. Happy with this purchase.
Reviewed in the United States on January 9, 2026 by AC
I have permanent damage in my lower back, trashed knees, and sleeping on my side for decades means waking in the night with hip pain. When I got up in the morning, everything hurt and was stiff and I was tired from insufficient sleep. I've tried every type of mattress there is, and some were better than others, but that just meant a bit less pain. I honestly can't remember when I slept deeply all night and woke in the morning pain free. Until now. I have the 3 inch thick Foam Mattress Topper on top of an expensive mattress (that was supposed to solve my problems but didn't) and I feel great! I fall asleep faster, sleep more deeply, nothing hurts - it's like a miracle! Even my dog is getting more sleep. He sleeps on my bed and until now I was constantly changing position, thrashing around, trying to get comfortable...it was more like aerobics than sleep. Twice I knocked him off the bed :( I just ordered another 3 inch pad - I want to be sure I have one when the first one needs replacing. I don't ever want to sleep without once again.
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Reviewed in the United States on November 24, 2025 by Kittycat
It’s a sturdy topper, but you sink into it. My back doesn’t hurt anymore, yay!!! When you get out of bed, it goes back to its natural state. And I’m sleeping better. It says it takes 24-48 hours for it to shape up, but mine took only a few hours. And no smell at all.
Reviewed in the United States on January 17, 2026 by Kathy Hess