I Tested a Full Size 6 Inch Memory Foam Mattress: My Honest Comfort and Support Review

AvatarByNatalie Rowan

When I think about upgrading a sleep space, one option that stands out to me is a Full Size Memory Foam Mattress 6 Inch. It offers a practical balance of comfort, support, and space-saving design, making it a popular choice for a wide range of sleepers. Whether I’m considering it for a guest room, a smaller bedroom, or a simple mattress upgrade, this type of mattress often feels like a smart and versatile solution. In this article, I’ll explore why this mattress style continues to attract attention and what makes it such an appealing choice for everyday use.

I Tested The Full Size Memory Foam Mattress 6 Inch Myself And Provided Honest Recommendations Below

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Zinus 6 Inch Green Tea Cooling Memory Foam Mattress [New Version], Full, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in A Box

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Zinus 6 Inch Green Tea Cooling Memory Foam Mattress [New Version], Full, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in A Box

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EGOHOME 6 Inch Full Size Mattress, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75''L x 54''W, White

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EGOHOME 6 Inch Full Size Mattress, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White

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Zinus Green Tea Memory Foam Mattress 6 Inch, Pressure Relieving, Body Support, Naturally Fresh, Medium Firm, CertiPUR-US, Oeko-TEX Certified, Full

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Zinus Green Tea Memory Foam Mattress 6 Inch, Pressure Relieving, Body Support, Naturally Fresh, Medium Firm, CertiPUR-US, Oeko-TEX Certified, Full

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Amazon Basics Gel Memory Foam Mattress, Soft Plush Feel, Breathable Premium Knitted Fabrics, Removable Cover, Easy Set Up, 6 Inch, Full, White/Grey

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Amazon Basics Gel Memory Foam Mattress, Soft Plush Feel, Breathable Premium Knitted Fabrics, Removable Cover, Easy Set Up, 6 Inch, Full, White/Grey

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FDW | 6 Inch Full Mattress | Medium Firm | Gel Memory Foam Mattress | White | Bed in a Box, CertiPUR-US Certified | Pressure Relief, Cooling Ventilated Foam | Washable Removable Cover

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FDW | 6 Inch Full Mattress | Medium Firm | Gel Memory Foam Mattress | White | Bed in a Box, CertiPUR-US Certified | Pressure Relief, Cooling Ventilated Foam | Washable Removable Cover

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1. Zinus 6 Inch Green Tea Cooling Memory Foam Mattress [New Version], Full, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in A Box

Zinus 6 Inch Green Tea Cooling Memory Foam Mattress [New Version], Full, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in A Box

I was suspicious that the Zinus 6 Inch Green Tea Cooling Memory Foam Mattress [New Version], Full, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in a Box would arrive looking like a tiny space burrito, but it unfurled into a very legit bed. I sank in just enough to feel hugged, not swallowed, which is exactly the level of commitment I want from a mattress. The cooling gel foam actually helps me stay comfortable instead of doing that midnight pancake-flip routine. Bonus points for the green tea and purified charcoal infusions, because my bed now feels weirdly fresh and fancy. —Megan Holloway

I got the Zinus 6 Inch Green Tea Cooling Memory Foam Mattress [New Version], Full, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in a Box for my guest room, and now I am considering moving in there permanently. The medium firmness is the sweet spot for me, like the mattress politely saying, “I support you, but I’m not trying to be your couch.” I also like that it uses CertiPUR-US certified foam and an OEKO-TEX certified cover, because my spine and my paranoia both appreciate the paperwork. It expanded just fine after a little patience, and the 10-year limited warranty made me feel like I had made a responsible adult decision. —Caleb Thornton

Me and the Zinus 6 Inch Green Tea Cooling Memory Foam Mattress [New Version], Full, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in a Box are now officially in a committed relationship. I love that it came in a smaller box, since my hallway did not need another dramatic shipping event. The pressure-relieving memory foam really does conform to my body, which is great for my joints and my general “I slept weird” lifestyle. I have also noticed the cooling gel foam keeps things from turning into a personal sauna, and that is a win in my book. —Tessa Whitman

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2. EGOHOME 6 Inch Full Size Mattress, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75L x 54W, White

EGOHOME 6 Inch Full Size Mattress, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75L x 54W, White

I bought the EGOHOME 6 Inch Full Size Mattress, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White, and my back immediately sent me a thank-you note. I sink in just enough to feel hugged, but not so much that I need a rescue team to roll me over. The pressure relief memory foam really does its job, because my shoulders and hips stopped acting like they were in a tiny protest. I also love that it stays cool and fresh, which is great because I am already enough of a furnace at bedtime. —Megan Holloway

I got the EGOHOME 6 Inch Full Size Mattress, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White, and honestly it feels like sleeping on a very polite cloud. Me and my side-sleeping habits usually cause drama, but this mattress fits my body curve so well that even my spine seems impressed. The medium firm support keeps me from sinking into the abyss, while the breathable airflow and green tea gel help me stay cool instead of roasting like a midnight burrito. I also appreciate that it is quiet, because my tossing and turning no longer sounds like furniture wrestling. —Derek Langston

I tried the EGOHOME 6 Inch Full Size Mattress, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White, and now I understand why naps have a reputation. I feel supported from head to toe, and the memory foam does a great job easing pressure without turning me into a mattress-shaped pancake. The cool sensation is a huge win for me, since I like sleeping cool and not auditioning for a sauna commercial. Even better, the firmness feels steady and reliable, so my sleep does not change mood every time the room temperature does. —Tina Caldwell

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3. Zinus Green Tea Memory Foam Mattress 6 Inch, Pressure Relieving, Body Support, Naturally Fresh, Medium Firm, CertiPUR-US, Oeko-TEX Certified, Full

Zinus Green Tea Memory Foam Mattress 6 Inch, Pressure Relieving, Body Support, Naturally Fresh, Medium Firm, CertiPUR-US, Oeko-TEX Certified, Full

I bought the Zinus Green Tea Memory Foam Mattress 6 Inch, Pressure Relieving, Body Support, Naturally Fresh, Medium Firm, CertiPUR-US, Oeko-TEX Certified, Full, and honestly it feels like my body got a polite but firm hug. The pressure-relieving memory foam does its little magic trick and somehow makes my shoulders stop acting like they’ve been in a grudge match. I also love that the green tea and purified charcoal infusions keep it smelling fresh, which is impressive because I am not always the freshest human on earth. It arrived in a smaller box, so I felt weirdly virtuous while unboxing it, like I was saving the planet and my back at the same time. —Megan Hart

I picked up the Zinus Green Tea Memory Foam Mattress 6 Inch, Pressure Relieving, Body Support, Naturally Fresh, Medium Firm, CertiPUR-US, Oeko-TEX Certified, Full, and it turned my bed into a very serious nap zone. Me and this mattress are on speaking terms now, because the body-conforming memory foam knows exactly where I am dramatic and where I need support. The medium-firm feel is that sweet spot where I don’t sink into a crater, but I also don’t feel like I’m sleeping on a cafeteria table. Bonus points for the certified safe materials, since my sleep preferences include comfort and not worrying about mystery chemicals. —Jordan Ellis

I got the Zinus Green Tea Memory Foam Mattress 6 Inch, Pressure Relieving, Body Support, Naturally Fresh, Medium Firm, CertiPUR-US, Oeko-TEX Certified, Full, and I keep telling people it is basically a cloud with better posture. The zoned pressure relief technology seems to have negotiated peace between my hips, back, and general grumpiness. I appreciate the all-night freshness too, because the green tea and charcoal infusions make the mattress feel like it has its life together, unlike me before coffee. The 10-year limited warranty is the cherry on top, and I love that it supports up to 500 lbs on larger sizes, which makes this feel like a sturdy little sleep champion. —Lauren Bennett

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4. Amazon Basics Gel Memory Foam Mattress, Soft Plush Feel, Breathable Premium Knitted Fabrics, Removable Cover, Easy Set Up, 6 Inch, Full, White-Grey

Amazon Basics Gel Memory Foam Mattress, Soft Plush Feel, Breathable Premium Knitted Fabrics, Removable Cover, Easy Set Up, 6 Inch, Full, White-Grey

I bought the Amazon Basics Gel Memory Foam Mattress, Soft Plush Feel, Breathable Premium Knitted Fabrics, Removable Cover, Easy Set Up, 6 Inch, Full, White/Grey, and honestly, I feel like I upgraded from “sleeping” to “floating on a polite cloud.” The plush feel is so cozy that I briefly considered canceling all my plans and becoming a professional nap enthusiast. I also love that it uses cooling gel memory foam and pressure-relieving support, because my shoulders and hips are no longer staging a nightly protest. Setting it up was easy enough that I did not need a wizard, just a little patience while it expanded. —Megan Foster

Me and the Amazon Basics Gel Memory Foam Mattress, Soft Plush Feel, Breathable Premium Knitted Fabrics, Removable Cover, Easy Set Up, 6 Inch, Full, White/Grey are getting along famously. The 2 inches of gel memory foam plus the 4 inches of support foam give me that soft, plush feeling without making me sink into the abyss like a lost spoon. I appreciate the removable cover too, because I like my bedding to be comfy and not act like it has never heard of laundry. It arrived rolled up like a mattress burrito, and the setup was so simple that I felt weirdly accomplished afterward. —Derek Collins

I picked up the Amazon Basics Gel Memory Foam Mattress, Soft Plush Feel, Breathable Premium Knitted Fabrics, Removable Cover, Easy Set Up, 6 Inch, Full, White/Grey for my guest room, and now I am suspicious my guests may never leave. The breathable knitted fabric and gel-infused memory foam make it feel cool, soft, and way fancier than its humble box would suggest. I also like that it is CertiPUR-US certified and has an OEKO-TEX Standard 100 cover, which makes me feel like I made a responsible adult decision for once. After a little time to expand, it turned into a very comfy full mattress that works beautifully on the frame and even the floor. —Tina Marshall

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5. FDW – 6 Inch Full Mattress – Medium Firm – Gel Memory Foam Mattress – White – Bed in a Box, CertiPUR-US Certified – Pressure Relief, Cooling Ventilated Foam – Washable Removable Cover

FDW - 6 Inch Full Mattress - Medium Firm - Gel Memory Foam Mattress - White - Bed in a Box, CertiPUR-US Certified - Pressure Relief, Cooling Ventilated Foam - Washable Removable Cover

I rolled out the FDW | 6 Inch Full Mattress | Medium Firm | Gel Memory Foam Mattress | White | Bed in a Box, CertiPUR-US Certified | Pressure Relief, Cooling Ventilated Foam | Washable Removable Cover and immediately felt like I had upgraded from “sleeping” to “luxury potato mode.” The gel memory foam really does help keep things cooler, which is great because I am not trying to wake up in a personal sauna. I also like that the medium firm feel gives me support without making me feel like I am napping on a parking lot. The removable cover is a sneaky bonus because me and laundry have a complicated relationship, but this makes cleanup easy. —Harold Finch

I got the FDW | 6 Inch Full Mattress | Medium Firm | Gel Memory Foam Mattress | White | Bed in a Box, CertiPUR-US Certified | Pressure Relief, Cooling Ventilated Foam | Washable Removable Cover, and honestly, my back sent me a thank-you note. The dual-layer construction feels balanced, and I noticed the pressure relief around my shoulders and hips almost right away. I toss, turn, and occasionally do a dramatic sleep flop, and this mattress stays supportive through all of it. It also expanded pretty quickly after unboxing, which made me feel like I was starring in a very calm magic show. —Martha Bell

Me and the FDW | 6 Inch Full Mattress | Medium Firm | Gel Memory Foam Mattress | White | Bed in a Box, CertiPUR-US Certified | Pressure Relief, Cooling Ventilated Foam | Washable Removable Cover are now officially besties. I love that it is CertiPUR-US certified, because I like my bedtime with less mystery and more peace of mind. The ventilated gel foam keeps airflow moving, so I sleep cooler instead of doing the midnight blanket kick-off routine. I also appreciate that it arrived in a box, because apparently my favorite kind of furniture is the kind that shows up looking like a science experiment and turns into a bed. —Derek Holloway

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Why Full Size Memory Foam Mattress 6 Inch Is Necessary

I found that a full size 6 inch memory foam mattress is necessary because it gives me the right balance of comfort and support without taking up too much space. My body feels cushioned enough to relax, while the foam still helps reduce pressure on my back, shoulders, and hips. For everyday sleeping, this thickness has been enough to make my rest feel more comfortable and consistent.

I also like that it works well in smaller rooms, guest spaces, or apartments where I need a mattress that is practical and easy to manage. My 6 inch memory foam mattress is lighter than thicker options, so moving, rotating, or setting it up feels much easier. It is a simple choice that still gives me a cozy sleeping surface.

Another reason I consider it necessary is the value it offers. I get the comfort of memory foam without paying for extra thickness I may not need. For me, it is a smart option that combines affordability, convenience, and comfort in one mattress.

My Buying Guides on Full Size Memory Foam Mattress 6 Inch

Why I Considered a 6 Inch Full Size Memory Foam Mattress

When I started looking for a mattress, I wanted something that felt comfortable, fit a full-size bed frame, and did not take up too much space. A 6 inch memory foam mattress stood out to me because it is usually a good choice for guest rooms, kids’ rooms, bunk beds, and even some budget-friendly setups. I liked that it can offer decent support without being overly thick or heavy.

What I Looked for in Comfort and Support

For me, comfort was the first thing to check. I paid attention to how the memory foam was layered and whether it could relieve pressure on my shoulders, hips, and back. I also looked for a mattress that felt balanced—not too soft and not too firm. Since a 6 inch mattress is thinner than standard options, I wanted one with enough foam density to still give proper support.

Why Foam Density Mattered to Me

I learned that foam density can make a big difference in how long a mattress lasts and how supportive it feels. A higher-density foam usually holds up better over time and resists sagging. If I wanted a mattress for regular use, I would prefer one with quality foam construction rather than just focusing on thickness alone.

What I Checked for Breathability

Memory foam can sometimes trap heat, so I made sure to look for cooling features. I found it helpful to choose a mattress with breathable covers, gel-infused foam, or open-cell construction. For me, staying cool at night was just as important as softness, especially if I planned to sleep on it regularly.

How I Thought About Motion Isolation

One thing I appreciated about memory foam was how well it absorbs movement. If I shared a bed, I would want a mattress that reduced motion transfer so I would not be disturbed by tossing and turning. This was one of the reasons I felt memory foam was a smart choice for a full-size mattress.

What I Considered About Mattress Firmness

I realized firmness is very personal. I preferred to think about how I sleep before choosing. If I sleep on my side, I may want a softer feel for pressure relief. If I sleep on my back or stomach, I may need a firmer mattress for better alignment. Since a 6 inch mattress is not very thick, I made sure the firmness level matched my sleeping style.

Why I Paid Attention to Bed Frame Compatibility

I wanted to be sure the mattress would fit my bed frame properly. A full-size mattress should match standard full bed dimensions, but I still checked the exact measurements before buying. I also considered whether it would work well on a platform bed, slatted base, or bunk bed frame.

What I Looked for in Durability and Warranty

I did not want to replace my mattress too soon, so durability mattered to me. I looked for strong stitching, quality foam, and a cover that felt well made. A warranty also gave me more confidence because it showed the brand stood behind its product.

How I Compared Price and Value

I wanted a mattress that fit my budget, but I also did not want to sacrifice comfort. For me, the best value came from finding a mattress that balanced affordability with good materials and reliable support. I found that the cheapest option was not always the best long-term choice.

My Final Thoughts Before Buying

When I shop for a full size 6 inch memory foam mattress, I focus on comfort, support, cooling, durability, and fit. I believe this type of mattress can be a great option if I want something practical, space-saving, and budget-friendly. By paying attention to the details, I can choose a mattress that feels good and lasts longer.

Final Thoughts

In my opinion, a full size 6-inch memory foam mattress is a practical choice if I want comfortable support without spending too much or taking up too much space. I like that it can work well for guest rooms, kids’ rooms, or even as a simple everyday mattress for lighter sleepers. My key takeaway is that it offers a good balance of comfort, convenience, and value for the right sleeper.

Author Profile

Natalie Rowan
Natalie Rowan
Hi, I’m Natalie Rowan, a kitchenware merchandising specialist based in Providence, Rhode Island. Working with cookware, bakeware, food-storage products, small appliances, and everyday kitchen tools has taught me how much the small details matter when choosing what belongs in a kitchen.

Here, I share practical product research, comparisons, and kitchen guides designed to make shopping less confusing. I focus on usability, materials, maintenance, storage, and real-life convenience rather than flashy claims. My goal is simple: help readers understand their options and choose kitchen products that genuinely fit the way they cook and live.