The Linenspa 5-Inch Memory Foam Mattress is our top pick for its balance of support and affordability. For a cooler sleep, consider the Zinus 5-Inch Green Tea Memory Foam Mattress.
Looking for a low-profile mattress that won’t break the bank? A 5-inch memory foam mattress for a full bed offers a firm, supportive sleep surface ideal for kids, guests, or those who prefer a minimalist setup. Our editorial team compared specs, certifications, and aggregated verified owner reviews to rank the best options available in 2026.
We prioritized models with CertiPUR-US certification (ensuring no harmful chemicals), durable foam construction, and positive feedback on comfort and longevity. Each pick below is evaluated for firmness, cooling, and overall value based on verified owner reports and product specifications.
Linenspa 5 Inch Memory Foam Mattress Full
This mattress combines a high-density foam base with a memory foam top layer for balanced support and comfort. Owners appreciate its value and durability. It holds CertiPUR-US certification for quality materials.
Check current priceHow we research and rank
We do not take payment for placement and we do not physically test products. Rankings come from manufacturer specifications, material certifications (CertiPUR-US foam, OEKO-TEX textiles), and the weight of aggregated verified owner reviews, analyzed for durability, heat retention and sagging. The scores in this guide are MattressVetted editorial research ratings — our assessment of the available evidence, not customer star averages. See how we rate.
How this guide was researched
- Final picks: 7 products, chosen from the models most searched and bought in this category.
- Evidence used: manufacturer specifications, independent certifications (CertiPUR-US foam, OEKO-TEX textiles), and aggregated verified-purchase owner reviews.
- Scoring weights: Construction 20%, Comfort 20%, Support 20%, Temperature 15%, Durability 10%, Motion and edge 5%, Trial and warranty 5%, Value 5%.
- Testing: we do not physically test products. Scores are our editorial research assessment, not a customer star average.
- Research reflects: July 2026.
Full method on our how we rate page.
The picks, compared
Linenspa 5 Inch Memory Foam Mattress Full
Budget-conscious shoppers seeking a reliable, medium-firm mattress · Type: Memory Foam | Firmness: Medium-Firm | Trial: 30 Nights
This mattress combines a high-density foam base with a memory foam top layer for balanced support and comfort. Owners appreciate its value and durability. It holds CertiPUR-US certification for quality materials.
What owners report: Many owners report that the mattress is firmer than expected, which is ideal for back sleepers. Some find it too firm for side sleeping.
- Affordable price point
- Medium-firm feel suitable for back and stomach sleepers
- CertiPUR-US certified
- May be too firm for side sleepers
- Limited edge support
Zinus 5 Inch Green Tea Memory Foam Mattress Full
Hot sleepers and those who prefer a greener mattress · Type: Memory Foam | Firmness: Medium-Firm | Trial: 100 Nights
Infused with green tea extract and ActivCharcoal to control odors, this mattress features a cooling gel memory foam layer. It's CertiPUR-US and OEKO-TEX certified. Owners praise its comfort and freshness.
What owners report: Owners commonly note that the mattress sleeps cooler than standard memory foam. Some report initial off-gassing, which dissipates quickly.
- Cooling gel infusion
- Eco-friendly materials
- Good motion isolation
- Firmness may be too high for some
- Limited thickness for heavier individuals
Classic Brands 5 Inch Cool Gel Memory Foam Mattress Full
Shoppers wanting an affordable, cool-sleeping mattress with CertiPUR-US certification · Type: Memory Foam | Firmness: Medium | Trial: 30 Nights
This budget-friendly mattress offers a cool gel memory foam layer over a high-density foam base. It's designed for pressure relief and temperature regulation. Owners love its price-to-quality ratio.
What owners report: Many owners say it's comfortable for the price, though some wish it were thicker. The cooling gel is appreciated by hot sleepers.
- Great value for the price
- Cooling gel layer
- CertiPUR-US certified
- May not be durable for long-term use
- Off-gassing reported initially
Lucid 5 Inch Memory Foam Mattress Full
Stomach sleepers and those needing extra support · Type: Memory Foam | Firmness: Firm | Trial: 30 Nights
This firm mattress features a ventilated memory foam layer that promotes airflow. It's CertiPUR-US certified and includes a 10-year warranty. Owners report excellent support for heavier sleepers.
What owners report: Owners often note the mattress is extremely firm, which back/stomach sleepers love. Side sleepers find it uncomfortable without a topper.
- Very firm support
- Ventilated foam for heat dissipation
- 10-year warranty
- Too firm for side sleepers
- Less than stellar edge support
Serta 5 Inch Memory Foam Mattress Full
Side sleepers wanting pressure relief on a thin profile · Type: Memory Foam | Firmness: Medium-Soft | Trial: 30 Nights
Serta's mattress features a memory foam layer that conforms closely to the body, reducing pressure points. It's CertiPUR-US certified. Owners say it offers good comfort for side sleeping at a low height.
What owners report: Side sleepers report excellent pressure relief for hips and shoulders. Some owners mention durability concerns after a year of use.
- Excellent pressure relief for side sleepers
- Reputable brand
- CertiPUR-US certified
- Some durability concerns over time
- May sleep warm for some
Olee Sleep 5 Inch Memory Foam Mattress Full
Ultra-budget buyers needing a temporary or guest mattress · Type: Memory Foam | Firmness: Medium-Firm | Trial: 30 Nights
This no-frills mattress packs a memory foam layer over a foam base for basic comfort. It's CertiPUR-US certified. Owners appreciate the rock-bottom price but note it's not plush.
What owners report: Owners often use it for kids' rooms or guest beds. Some report sagging within a few months, but many find it acceptable for occasional use.
- Very low cost
- CertiPUR-US certified
- Lightweight and easy to move
- Potential sagging over time
- Not very comfortable for everyday use
Cocoon by Sealy 5 Inch Memory Foam Mattress Full
Shoppers wanting a hybrid feel in a thin mattress · Type: Hybrid | Firmness: Medium | Trial: 100 Nights
This hybrid combines memory foam and pocket springs for a responsive sleep surface. It's CertiPUR-US and OEKO-TEX certified. Owners like the balance of support and comfort.
What owners report: Owners note improved airflow from the coils, making it cooler than all-foam. Some find the springs too noisy over time.
- Hybrid design for support and breathability
- CertiPUR-US and OEKO-TEX certified
- Good edge support from coils
- Some noise reported from springs
- Pricier than all-foam options
Frequently asked questions
Is a 5 inch mattress thick enough for a full bed?
Yes, a 5-inch mattress is suitable for kids, guest rooms, or lightweight adults. It may lack support for heavier persons, but it's a common thickness for low-profile beds.
What certifications should I look for in a 5 inch memory foam mattress?
Look for CertiPUR-US certification, which ensures foams are free from harmful chemicals and meet durability standards. OEKO-TEX certification is also good for fabric safety.
Can I use a 5 inch mattress on a box spring?
Yes, but it's better suited for platform beds or slatted bases. A box spring may make it feel too soft. Check the manufacturer's foundation recommendations.
How long does a 5 inch memory foam mattress last?
Typically 5-7 years with proper care. Lower density foams may sag sooner. Rotate the mattress periodically to extend lifespan.
Is a 5 inch memory foam mattress too firm?
Many are firm due to the thin profile. Some models have a plush top layer for pressure relief. Side sleepers may need a softer model or a topper.
The verdict
The Linenspa 5-Inch Memory Foam Mattress is our overall winner for its solid build and affordable price. For hot sleepers, the Zinus Green Tea Mattress offers cooling benefits. If you need a hybrid feel, the Cocoon by Sealy is a great alternative.
