Gel-infused, open-cell, CertiPUR-US certified
Memory Foam Mattress Toppers, Made in the USA
LOUNJ memory foam mattress toppers are made from gel-infused open-cell foam that we pour in our Phoenix, Arizona factory. Pick a bare topper in 2, 3, or 4 inches, a covered 2.0 with straps, a firm two-layer topper, or the zoned Tri-Zone. All are CertiPUR-US certified, fiberglass free, and backed by a 30-night trial.
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Gel Memory Foam Mattress Topper 2.0 (Washable Cover + Straps)
From $109.99 -
Gel Memory Foam Mattress Topper (2, 3 & 4 Inch)
From $64.99 -
Firm Mattress Topper (3 Inch, 2-Layer)
From $122.99
What makes a memory foam topper worth buying
Not all memory foam is the same. Cheap imported toppers are often dense closed-cell foam that traps heat, takes days to expand, and smells for a week. LOUNJ pours gel-infused open-cell memory foam, which contours to your body the way memory foam should but breathes so you do not wake up sweating. It is CertiPUR-US certified, meaning it is made without ozone depleters, heavy metals, or formaldehyde and has low VOC emissions.
Look for foam that is fiberglass free and made without fire-retardant sprays, since both can be a problem in bare toppers. Look for a real thickness, not a puffed-up cover. And look at where it is made. Ours is poured, cut, and sun-baked in Arizona, so it arrives with very little odor and decompresses in 24 to 48 hours.
Four memory foam toppers, one for every sleeper
Side sleepers and anyone with pressure points do best with the Gel Mattress Topper in 3 or 4 inches, which gives hips and shoulders room to sink. If you like that feel but want a washable cover and corner straps to keep it in place, the Gel Mattress Topper 2.0 fits mattresses 6 to 16 inches deep in 2 or 3 inch thickness.
Back and stomach sleepers, heavier sleepers, and anyone fighting a soft or sagging mattress should look at the Firm Mattress Topper, a 3 inch two-layer build that adds support rather than plushness. Couples who cannot agree, or who want contouring at the shoulders with support under the hips, will like the 3 inch Tri-Zone Topper with its zoned base and bamboo cover.
Sizes, care, and the LOUNJ difference
Memory foam toppers are available in Twin, Twin XL, Full, Full XL, Queen, King, and Cal King, sized to match standard mattresses so the edges line up under your fitted sheet. Custom rectangles up to 80×84 inches are available through our custom topper page, and RV owners should shop memory foam RV toppers in 12 camper sizes.
Care is easy: spot clean bare foam, or machine wash the removable cover on the 2.0 and Tri-Zone. LOUNJ has made foam in Phoenix since 2018. Buying factory direct means no middleman markup, free FedEx Ground shipping to the lower 48, same or next business day dispatch on orders placed by 2pm Arizona time, a 30-night sleep trial with free returns, and a 5-year warranty.
Questions about memory foam mattress toppers
Is gel memory foam better than regular memory foam?
For most people, yes. Gel infusion plus an open-cell structure lets the foam move heat away from your body instead of trapping it, while keeping the pressure-relieving contour that made memory foam popular. Regular closed-cell memory foam can feel hot and slow to respond. LOUNJ uses gel-infused open-cell foam in every memory foam topper we make.
Which memory foam topper is best for back pain?
It depends on why your back hurts. If your mattress is too firm and you wake stiff, a 3 inch Gel Mattress Topper relieves pressure while keeping the spine aligned. If your mattress is too soft or sagging, the Firm Mattress Topper adds the support your lower back is missing. Read more on our mattress topper for back pain page.
Does the memory foam topper need a cover?
No. The bare Gel Mattress Topper sits directly under your fitted sheet and works fine that way. A cover adds convenience: the Gel Mattress Topper 2.0 and Tri-Zone include a washable cover with corner straps that stop the topper from sliding, which is helpful for restless sleepers, kids, and adjustable bases.
Is LOUNJ memory foam fiberglass free?
Yes. LOUNJ memory foam contains no fiberglass and is made without fire-retardant chemical sprays. It is CertiPUR-US certified for content, emissions, and durability, and it is hypoallergenic. Because we pour the foam ourselves in Phoenix, we know exactly what goes into it, which is not something most resellers can say.
How long do memory foam mattress toppers last?
A quality memory foam topper should last several years with normal use. Density, thickness, and body weight all matter; thicker toppers hold up longer under heavier sleepers. Every LOUNJ memory foam topper carries a 5-year warranty against defects such as premature softening or body impressions, so you are covered well beyond the first season.
Can I put a memory foam topper on an adjustable bed?
Yes. Memory foam flexes with an adjustable base without cracking or bunching. For adjustable beds we recommend the Gel Mattress Topper 2.0 or Tri-Zone because the corner straps keep the topper in position as the head and foot sections move. Bare toppers work too, but may need repositioning now and then.
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