- Free shipping & returns
- 5-year warranty
- Ships in 1 to 2 days
- Made in Phoenix, AZ
Gel Memory Foam Mattress Topper
Our original bare-foam topper.
- Our original best-seller, bare foam at the best price
- Gel-infused foam sleeps cooler than standard memory foam
- 2, 3, or 4 inch in every standard size
- CertiPUR-US certified, made in Phoenix, AZ
Details
The best mattress topper you will ever own. After years of perfecting our formula, we created a gel memory foam topper that feels great, sleeps cool, and is built to last, at a factory-direct price.
Body-hugging memory foam infused with gel. Contours to shoulders and hips for full-body pressure relief. The cooling gel infusion regulates temperature for a cooler, more comfortable sleep.
Certified quality you can feel. CertiPUR-US certified foam made without harmful chemicals, ozone depleters, or heavy metals. Hypoallergenic, low odor, and fiberglass free.
Materials & care
Bare gel-infused open-cell memory foam. Use a fitted sheet or a mattress protector over it. Spot clean with a damp cloth and mild soap, air dry fully before making the bed, and rotate head to foot every few months. Never machine wash or soak foam.
Certifications
CertiPUR-US certified foam: made without ozone depleters, PBDE flame retardants, mercury, lead, or heavy metals, and low VOC for indoor air quality. Fiberglass free, no fire-retardant sprays, hypoallergenic. Poured, cut, and quality-checked in our Phoenix, Arizona factory.
Dimensions & shipping
- Twin 38×75
- Twin XL 38×80
- Full 54×75
- Full XL 53×80
- Queen 60×80
- King 76×80
- California King 72×84
Thickness: 2 Inch, 3 Inch, 4 Inch
Measured in inches, width x length. Twin 38×75, Twin XL 38×80, Full 54×75, Full XL 53×80, Queen 60×80, King 76×80, California King 72×84. Need something else? Get a custom-cut quote.
Shipping: compressed and boxed (13x13x13 or 15x15x15), ships same or next business day via FedEx Ground, arrives in 2 to 3 business days in the contiguous US. Allow 24 to 48 hours for full expansion.
Body Hugging Foam
Contours to shoulders and hips for full-body pressure relief. The cooling gel infusion regulates temperature for a cooler, more comfortable sleep.
Certified Safe Foam
CertiPUR-US certified foam made without harmful chemicals, ozone depleters, or heavy metals. Hypoallergenic, low odor, and fiberglass free.
Made in the USA
Every topper is made in our Phoenix, AZ factory and quality-checked before it ships.
Gel Memory Foam Mattress Topper
Why buy this topper
The best mattress topper you will ever own
After years of perfecting our formula, we created a gel memory foam topper that feels great, sleeps cool, and is built to last, at a factory-direct price.
- Gel-infused, perfected over yearsWe have poured and refined this foam for years. The gel is blended through it, not sprayed on, so it stays cool for the life of the topper.
- Sleeps cool, responds fastOpen-cell foam lets heat escape, and it recovers as you move so you never feel stuck.
- Built to lastDense, consistent foam that holds its shape for 5 to 10 years. Cheap imports flatten in one.
- Safe, non-toxic foamWater-based process, no fiberglass, no fire-retardant sprays, CertiPUR-US certified, low odor. Safe for the whole family.
The LOUNJ difference
We're the factory
Most bedding brands buy foam from a catalog and put their name on it. We built a factory instead. Every step happens under our roof in Phoenix, Arizona: chemistry, pouring, curing, cutting, quality check. That is why we can tell you exactly what is in this product, price it without a middleman, and stand behind it for years.
- Thickness
- 2 Inch, 3 Inch, 4 Inch
- Foam
- Gel-infused open-cell memory foam
- Certified
- CertiPUR-US
- Fiberglass
- None. No fire-retardant sprays.
- Made in
- Phoenix, Arizona
- Warranty
- 5 years
- Trial
- 30-Night Happiness Guarantee
Which thickness?
How to choose your thickness
Thickness sets how much of the topper you feel versus the mattress underneath. Your weight, how you sleep, and how firm your bed is today decide it. Not sure? The quiz takes 60 seconds.
2 InchRefresh
A mattress that is basically fine but a little firm.
- Back and stomach sleepers
- Sleepers under 130 lb
- Kids, bunks, lofts, sofa beds
3 InchMost popular
Real pressure relief while the mattress still carries the load.
- Side sleepers
- Sleepers 130 to 230 lb
- Couples, guest rooms
4 InchDeep cushion
Softest feel, or a mattress that is on its way out.
- Heavier side sleepers
- Sleepers over 230 lb
- Worn or very firm mattresses
Ordinary topper vs. LOUNJ topper
Ordinary topper
- Imported foam, unknown chemistry
- Traps heat
- Flattens in a year
- One thickness fits nobody
- Fiberglass in the cover
- Retail markup
LOUNJ topper
- Poured in Phoenix, CertiPUR-US certified
- Gel-infused open-cell foam
- 5-year warranty, 5 to 10 year life
- 2, 3, or 4 inch, plus RV and custom sizes
- Fiberglass free, no fire-retardant sprays
- Factory direct, no middleman
Compare
Which one is right for you?
 Gel Memory Foam Mattress TopperThis product |  Gel Memory Foam Mattress Topper 2.0 |  Firm Mattress Topper | |
|---|---|---|---|
| Foam | Gel memory foam | Gel memory foam | Gel memory foam over firm base |
| Thickness | 2, 3, or 4 in | 2 or 3 in | 3 in |
| Cover | Bare foam, use your sheet | Washable cooling cover | Washable cooling cover |
| Straps | No | Yes, 6 to 16 in mattresses | Yes, 6 to 16 in mattresses |
| Best for | Best value, any size incl. RV and custom | Adjustable bases, kids, easy washing | A mattress that has gone soft |
| Feel | Plush contour | Plush contour | Supportive |
| Price | $64.9920% off | $109.9920% off | $122.9920% off |
FAQs
Still have a question? Call (800) 556-1333 and you get our team in Phoenix, not a call center.
Questions people ask
How do I know if I need a 2, 3, or 4 inch topper?
2 inch is a subtle upgrade for a mattress that is basically fine but a little firm. 3 inch is the most versatile choice and the one most people pick: real pressure relief while still feeling supported. 4 inch is for deep contouring, softer feel, or rescuing a mattress that is on its way out. Consider your sleep position, your current mattress firmness, and your weight; heavier sleepers do better with 3 or 4 inches.
Does it ship compressed? How long does it take to expand?
Yes. Every topper is compressed and boxed for easy shipping. Once you unroll it, allow 24 to 48 hours for full expansion, especially in colder weather. You can sleep on it the first night, it will just keep filling out.
Can I put a mattress topper on an old mattress?
Yes. That is one of the best uses for one. A topper refreshes the comfort layer of an older mattress and can extend its life for years without the cost of a new bed. If the mattress is sagging badly, pair the topper with a firm base or consider our Firm Mattress Topper.
How long will a LOUNJ topper last?
Our memory foam toppers typically last 5 to 10 years, and we guarantee them for 5. Cheap imported toppers usually last 1 to 3 years before they flatten or crumble.
Is the foam safe and hypoallergenic?
Yes. Our gel-infused memory foam is CertiPUR-US certified: no BPAs, ozone depleters, or heavy metals. It is fiberglass free, made without fire-retardant sprays, hypoallergenic, and low odor thanks to a good Arizona sun-bake before it ships.
Is your foam really made in the USA?
Yes. We source the chemicals, pour, cut, and package the foam ourselves in our Phoenix, AZ factory. Nothing is imported and relabeled.
What is your return policy?
Every topper comes with our 30-Night Happiness Guarantee. Sleep on it for 30 nights from delivery, and if you are not happier, contact us and send it back. Free returns, no fees. We ask that you give it at least 10 nights so your body can adjust.
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