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Memory Foam Mattresses

Affordable Memory Foam Mattresses Under

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The short answer

The Zinus Green Tea, Linenspa 8 Inch, and Tuft & Needle are top picks under Each offers solid support and value. Choose based on your preferred firmness and sleeping position.

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How we picked

We compare published specifications, safety certifications and thousands of verified owner reviews, and we do not physically test every unit. Read the full process in our review methodology.

At a glance

ModelBest forScore
Zinus Green Tea Memory Foam MattressBest Overall9.2
Linenspa 8 Inch Memory Foam and Innerspring Hybrid MattressBest Value8.8
Tuft & Needle Original MattressBest for Back Pain9.0
Sleep Innovations 12 Inch Gel Memory Foam MattressBest for Hot Sleepers8.7
Olee Sleep 10 Inch Gel Infused Memory Foam MattressBest Budget8.4
Siena Memory Foam MattressBest for Side Sleepers8.9
Zinus 6 Inch Low Profile Memory Foam MattressBest for Kids or Guest Rooms8.2
TOP
PICK
1
Zinus Green Tea Memory Foam Mattress
Zinus Green Tea Memory Foam Mattress
★★★★★ 4.6 / 5 Best Overall
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This 12-inch mattress combines memory foam with a supportive base. It has a medium-firm feel that suits most sleepers. The green tea extract helps control odor.

Thickness 12 inchesFirmness Medium-firmLayers 3 layersCertification CertiPUR-US certified
  • Good pressure relief
  • Minimal motion transfer
  • Easy to set up
  • May sleep warm
  • Off-gassing initially
Best for: Best Overall
2
Linenspa 8 Inch Memory Foam and Innerspring Hybrid Mattress
Linenspa 8 Inch Memory Foam and Innerspring Hybrid Mattress
★★★★ 4.4 / 5 Best Value
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This 8-inch hybrid combines memory foam with innerspring coils. It offers a firm, responsive feel at a low price. It is ideal for kids' rooms or guest beds.

Thickness 8 inchesFirmness FirmConstruction Hybrid (foam + coils)Warranty 10-year limited
  • Very affordable
  • Good edge support
  • Lightweight
  • Less pressure relief
  • Not for heavy sleepers
Best for: Best Value
3
Tuft & Needle Original Mattress
Tuft & Needle Original Mattress
★★★★★ 4.7 / 5 Best for Back Pain
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The Tuft & Needle Original uses a single layer of adaptive foam. It provides a balanced feel that supports spinal alignment. Many owners report relief from back pain.

Thickness 10 inchesFirmness Medium-firmFoam type Adaptive foamCertification CertiPUR-US certified
  • Excellent support
  • Breathable cover
  • No sagging
  • Pricier than others
  • May be too firm for side sleepers
Best for: Best for Back Pain
4
Sleep Innovations 12 Inch Gel Memory Foam Mattress
Sleep Innovations 12 Inch Gel Memory Foam Mattress
★★★★ 4.3 / 5 Best for Hot Sleepers
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This mattress has a gel-infused memory foam layer. It draws heat away from the body. The 12-inch profile offers good support.

Thickness 12 inchesFirmness MediumCooling Gel-infused foamWarranty 10-year
  • Sleeps cooler
  • Good motion isolation
  • Supportive base
  • Some off-gassing
  • Edge support could be better
Best for: Best for Hot Sleepers
5
Olee Sleep 10 Inch Gel Infused Memory Foam Mattress
Olee Sleep 10 Inch Gel Infused Memory Foam Mattress
★★★★ 4.2 / 5 Best Budget
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This 10-inch mattress is one of the most affordable options. It has a gel-infused top layer for cooling. The high-density base provides durability.

Thickness 10 inchesFirmness Medium-firmCooling Gel-infused topCertification CertiPUR-US certified
  • Very low price
  • Medium-firm feel
  • Easy to unbox
  • May lack durability
  • Not ideal for heavier people
Best for: Best Budget
6
Siena Memory Foam Mattress
Siena Memory Foam Mattress
★★★★★ 4.5 / 5 Best for Side Sleepers
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The Siena has a plush top layer that contours to the body. It relieves pressure on shoulders and hips. The 10-inch profile suits side sleepers well.

Thickness 10 inchesFirmness Plush (soft-medium)Layers 2 layersWarranty 10-year
  • Excellent pressure relief
  • Quiet and responsive
  • Good motion isolation
  • May be too soft for stomach sleepers
  • Limited edge support
Best for: Best for Side Sleepers
7
Zinus 6 Inch Low Profile Memory Foam Mattress
Zinus 6 Inch Low Profile Memory Foam Mattress
★★★★ 4.4 / 5 Best for Kids or Guest Rooms
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This 6-inch mattress is low-profile and lightweight. It fits bunk beds and trundles. The memory foam layer adds comfort without extra height.

Thickness 6 inchesFirmness Medium-firmLayers 2 layersCertification CertiPUR-US certified
  • Low profile
  • Lightweight and portable
  • Good for kids
  • Not for adults over 200 lbs
  • Minimal support for heavy use
Best for: Best for Kids or Guest Rooms

The challenge is balancing cost with durability and comfort. Cheaper foams may sag or sleep hot. Our picks are based on real product specifications and common owner reports.

What to Look For

Memory foam mattresses under vary in thickness, density, and firmness. Thickness usually ranges from 6 to 12 inches. Higher density foam lasts longer and offers better support. Check the CertiPUR-US certification for safety. Consider your sleeping position and body weight.

Firmness and Support

Firmness is a personal preference. Side sleepers often prefer a softer feel to relieve pressure. Back and stomach sleepers usually need a firmer surface for alignment. Medium-firm is a safe middle ground. Heavier individuals may need a thicker mattress to avoid sagging.

Cooling Features

Memory foam can trap heat. Gel-infused foams help dissipate body heat. Some mattresses have breathable covers or airflow channels. If you sleep hot, prioritize cooling features. Look for open-cell foam or phase-change materials.

Durability and Warranty

Budget mattresses may not last as long as premium ones. Check the warranty length, typically 5 to 10 years. Read owner reviews for reports of sagging or indentations. A higher density foam base often improves durability.

Questions people ask

What is the best affordable memory foam mattress under?

The Zinus Green Tea is a top pick for its balance of comfort and value. The Linenspa 8 Inch is also great for a lower price.

How thick should a memory foam mattress be?

For adults, 10 to 12 inches is ideal. Thinner mattresses (6 to 8 inches) are best for kids or guest rooms.

Is a 6-inch memory foam mattress enough?

A 6-inch mattress can work for children or occasional use. It may not provide enough support for adults over 200 pounds.

Which memory foam mattress is best for side sleepers?

The Siena Memory Foam Mattress has a plush feel that relieves pressure on shoulders and hips.

Do budget memory foam mattresses sleep hot?

Some do, but gel-infused options like the Sleep Innovations 12 Inch help with cooling.

Can I use a memory foam mattress on an adjustable base?

Most memory foam mattresses are compatible with adjustable bases. Check the manufacturer's specifications.

How long does a memory foam mattress last?

With proper care, a budget memory foam mattress can last 5 to 7 years. Higher density foam may last longer.

What is the difference between memory foam and hybrid?

Memory foam is all foam, while hybrids include innerspring coils. Hybrids offer more bounce and edge support.

Is a firmer mattress better for back pain?

Medium-firm mattresses are often recommended for back pain. They provide support without being too hard.

Do I need a box spring for a memory foam mattress?

No, memory foam mattresses can be placed on a solid platform or slatted base. Box springs are optional.

The bottom line

So which one?

For most people, the Zinus Green Tea offers the best overall value. If you sleep hot, choose the Sleep Innovations gel model. For a tight budget, the Olee Sleep is a decent option.

More in this topic

More in Memory Foam Mattresses

See the full guide →