Memory Foam Mattresses
Best Cooling Memory Foam Mattresses Without Fiberglass
7 picks compared
6 min read
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The short answerThe best cooling memory foam mattresses without fiberglass are the Nolah Original 10, the Brooklyn Bedding Signature Hybrid, and the Zinus Green Tea Cooling. Each uses gel-infused foam and breathable covers to regulate temperature.
?How we pickedWe 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.
Nolah Original 10
★★★★★ 4.5 / 5 Best Overall
The Nolah Original 10 uses a proprietary AirFoam that sleeps cooler than traditional memory foam. It has a zipper cover that is removable and washable, and it is CertiPUR-US certified. Owners report good motion isolation and pressure relief for side sleepers.
Thickness 10 inchesFirmness Medium (5-6/10)Cooling AirFoam, breathable coverCertifications CertiPUR-US
- Excellent pressure relief
- Good motion isolation
- Removable cover
- No built-in handle
- Slight off-gassing
Brooklyn Bedding Signature Hybrid
★★★★★ 4.6 / 5 Best Value
This hybrid combines gel-infused foam with pocketed coils for airflow and support. It has a quilted top with phase change material to draw heat away. The mattress is made in the USA and is CertiPUR-US certified.
Thickness 11.5 inchesFirmness Medium, Medium-Firm, Firm optionsCooling Gel foam, phase change materialCertifications CertiPUR-US
- Multiple firmness choices
- Strong edge support
- Good airflow
- Heavier than all-foam
- Motion transfer higher than foam
Zinus Green Tea Cooling
★★★★★ 4.4 / 5 Best Budget
The Zinus Green Tea Cooling mattress infuses green tea extract and charcoal into the foam to control odor and moisture. It has a soft knit cover that feels breathable. This is a budget-friendly pick with a medium-firm feel.
Thickness 10 inchesFirmness Medium-FirmCooling Green tea and charcoal infused foamCertifications CertiPUR-US
- Very affordable
- Odor control
- Lightweight
- Less durable over time
- Limited edge support
Sleep On Latex Pure Green
★★★★★ 4.7 / 5 Best for Hot Sleepers
This mattress uses 100% natural latex, which has open-cell structure for airflow and temperature regulation. It is free of fiberglass and synthetic foams. The cover is organic cotton and wool, adding breathability.
Thickness 9 inchesFirmness Medium, Firm optionsCooling Natural latex, breathable coverCertifications GOLS, GOTS
- Naturally cooling
- Eco-friendly materials
- Durable
- Heavy and hard to move
- Pricey
Best for: Best for Hot Sleepers
Lucid 10 Inch Gel Memory Foam
★★★★★ 4.3 / 5 Best for Side Sleepers
The Lucid 10 Inch Gel Memory Foam has a plush top layer that conforms to shoulders and hips. Gel beads in the foam help dissipate heat. It comes with a bamboo charcoal-infused cover that is soft and breathable.
Thickness 10 inchesFirmness PlushCooling Gel-infused foam, breathable coverCertifications CertiPUR-US
- Good pressure relief
- Soft feel
- Affordable
- May be too soft for stomach sleepers
- Slight heat retention
Best for: Best for Side Sleepers
Tuft & Needle Adaptive Foam
★★★★★ 4.6 / 5 Best for Couples
The Tuft & Needle Adaptive Foam uses a proprietary foam that provides both support and cooling. It has a breathable cover and graphite infusions to wick heat. Its balanced firmness works for various sleep positions.
Thickness 10 inchesFirmness Medium-FirmCooling Graphite infused foam, breathable coverCertifications CertiPUR-US
- Great motion isolation
- Responsive feel
- Cooling graphite
- Limited firmness options
- No handles
Best for: Best for Couples
Bear Original
★★★★★ 4.5 / 5 Best for Athletes
The Bear Original uses Celliant technology in its cover to reflect body heat and promote recovery. It has a responsive foam that supports active sleepers. The mattress is CertiPUR-US certified and made without fiberglass.
Thickness 10 inchesFirmness Medium-FirmCooling Celliant cover, gel-infused foamCertifications CertiPUR-US
- Recovery benefits
- Cooling cover
- Good support
Best for: Best for Athletes
Why avoid fiberglass in mattresses?
Fiberglass is often used as a fire barrier in budget mattresses. It can escape through the cover and cause skin irritation or respiratory issues. Many brands now use safer alternatives like wool or polyester. Check the materials list before buying. Fiberglass-free options are safer for your home.
How does cooling memory foam work?
Cooling memory foam uses gel beads, graphite, or copper to draw heat away. Some covers are breathable or use phase change materials. Open-cell foam allows more airflow. These features help regulate temperature while you sleep. But no foam is completely cool, so manage expectations.
What firmness should you choose?
Firmness depends on your sleep position and weight. Side sleepers often prefer medium to plush for pressure relief. Back sleepers do well with medium-firm. Stomach sleepers need firmer support to keep hips aligned. Heavier individuals may need firmer mattresses. Test different options if possible.
How to choose the right size?
Measure your bed frame and room space. Common sizes are Twin, Full, Queen, King, and California King. Consider your height and sleeping habits. Couples often choose Queen or King for space. Check the mattress dimensions in the listing. Ensure it fits your existing foundation.
Questions people ask
How can I tell if a mattress has fiberglass?
Check the product description or materials list. Look for 'fiberglass' or 'glass fiber' in the label. Many brands state 'fiberglass free' in their marketing. If unsure, contact the manufacturer directly. Avoid mattresses with fiberglass if you have sensitivities.
What is the best cooling memory foam mattress for side sleepers?
The Lucid 10 Inch Gel Memory Foam is plush and relieves pressure on shoulders and hips. The Nolah Original 10 also offers excellent pressure relief. Both are fiberglass-free and cool. Side sleepers should look for medium to plush firmness.
Is a hybrid mattress cooler than all-foam?
Hybrids have coils that increase airflow, so they often sleep cooler. The Brooklyn Bedding Signature Hybrid is a good example. All-foam mattresses can trap heat unless they have cooling infusions. Consider your heat level when choosing.
Can I use a mattress topper to make my mattress cooler?
Yes, a cooling gel topper can help. But it won't fix a mattress that sleeps hot. Look for toppers with breathable materials. Some toppers also add fiberglass, so check the label. A topper is a temporary solution.
What does CertiPUR-US certified mean?
It means the foam meets standards for emissions and durability. It ensures no heavy metals or harmful flame retardants. Many fiberglass-free mattresses have this certification. It's a good sign of quality and safety.
How long does a memory foam mattress last?
Most memory foam mattresses last 7 to 10 years with proper care. Higher density foams last longer. Rotate your mattress regularly to prevent sagging. Use a foundation that supports it well. Check the warranty for coverage.
Is it safe to sleep on a memory foam mattress right away?
Most mattresses need time to expand and off-gas. Wait at least 24 hours before sleeping on it. Off-gassing is normal but can be strong. Air out the room to reduce odors. Fiberglass-free models often have less off-gassing.
What is the difference between gel and graphite infused foam?
Gel beads absorb and dissipate heat, while graphite conducts heat away. Both help cooling. Graphite is often more effective but more expensive. Gel is common in budget mattresses. Choose based on your heat level and budget.
Can a cooling mattress help with night sweats?
Cooling mattresses can reduce heat retention, which may help. They won't cure medical conditions. Look for breathable covers and moisture-wicking materials. Combine with cooling bedding for best results. Consult a doctor if night sweats persist.
Are fiberglass-free mattresses more expensive?
Not always. The Zinus Green Tea Cooling is budget-friendly and fiberglass-free. Premium options like Sleep On Latex cost more due to materials. You can find affordable fiberglass-free options. Compare prices and features.
The bottom lineSo which one?
For most sleepers, the Nolah Original 10 offers the best balance of cooling and comfort. If you want a hybrid, the Brooklyn Bedding Signature Hybrid is a great value. Budget buyers can trust the Zinus Green Tea Cooling for a cool, fiberglass-free sleep.
