Dream Greener
Leesa’s GreenFlex Foam mattresses are among the best hybrid mattresses for sleepers who want plant-based materials without sacrificing support or cooling performance.
Built for better sleep
Plant-based materials for a more thoughtful mattress
Wake up to a greener future with GreenFlex Foam. Made with renewable, plant-based polyols, this innovative material reduces reliance on petroleum-based resources while supporting sustainable land use.
Breathable comfort with pressure-relieving support
GreenFlex Foam is designed for cooling performance. Its open-cell structure lets heat escape rather than trap it, while its premium 3-pound density delivers the pressure-relieving contouring Leesa is known for.
The next generation mattress innovation
GreenFlex Foam, the next generation of plant-based foam, is engineered with natural polyols from non-food crops grown on marginal land—renewable materials that never compete with the food supply. It’s a USDA Certified Biobased Product, built to perform night after night.* Paired with individually wrapped coils, it provides the responsive support and cooling airflow that make the Leesa Sapira Hybrid one of the best hybrid mattresses for hot sleepers.
Shop Mattresses with GreenFlex Foam
Discover breathable comfort, responsive support, and plant-based innovation in Leesa’s award-winning mattresses.
Original
The ones that started it all—our Original mattresses were born to cradle and cool your body.
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Sapira
Our most popular mattresses, Sapiras are the goldilocks of foam and innerspring technology.
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Legend
Luxurious layers of cradling foams and dual spring systems provide personalized comfort.
Reserve
Indulge in unparalleled comfort with our luxurious, cradling hybrid.
Independently recognized as top hybrid and cooling mattresses by Wirecutter, NapLab, AARP, and Tom's Guide (2025-2026).
"I have been a Tempurpedic mattress owner for 15 years. The Leesa twin are comparable, but so much cheaper."— Tony C.Kids Mattress- “Loving my new Sapira mattress. Slept great since the very first night. Perfect combo of soft and solid, sleeps nice and cool, too. Love!”— Carrie L.Sapira Hybrid Mattress
- “This is my dream mattress. It's supportive from the coils, but gives enough in the top foam layer that my curves are happy!”— Virginia L.Sapira Hybrid Mattress
- “Love our Sapira Chill Hybrid mattress! Supportive yet comfortably soft. And no more night sweats!”— Wayne G.Sapira Chill Hybrid Mattress
- “We now have these mattresses in every bedroom. These are the best mattresses I have ever slept on. So comfortable!”— Lauren K.Original Hybrid Mattress
With every Leesa mattress
Limited lifetime warrantyLearn more
120-night trial + free shippingLearn more
Love Your Leesa PromiseLearn more
All your questions answered
What is GreenFlex Foam?
GreenFlex Foam is a biobased mattress foam made with renewable, plant-based materials and certified as a USDA BioPreferred®opens in new window with third-party-verified renewable content.
- Plant-based inputs: Natural polyols derived from non-food crops grown on marginal land
- No chemical conversion: The plant oil is a natural polyol, usable as-is—unlike typical bio-foams
- Third-party verified: Renewable content certified under the USDA BioPreferred® Programopens in new window
- Reduced petroleum reliance: Replaces a portion of the petroleum-based inputs used in traditional mattress foam
- Built for performance: Designed to deliver the responsive comfort, pressure relief, and durability expected from a Leesa mattress
What does “biobased” mean?
“Biobased” means a material is made in part from renewable biological sources instead of being made entirely from petroleum-based materials commonly used in traditional mattress foam.
For GreenFlex Foam, the biobased content is verified through independent testing as part of the USDA BioPreferred program.*
This helps confirm that the foam includes renewable content, rather than relying only on broad environmental claims.
In simple terms: GreenFlex Foam replaces some traditional petroleum-based inputs with renewable, plant-based material
How does GreenFlex Foam feel?
GreenFlex Foam has the same responsive, contouring feel as Leesa's original foam—the quality that earned the Leesa Sapira Hybrid recognition as one of the best hybrid mattresses by Wirecutteropens in new window, NapLabopens in new window, and Tom's Guideopens in new window. The open-cell, plant-derived structure makes it slightly more breathable than conventional memory foam, which helps regulate temperature across the night.
Does GreenFlex Foam sleep cool?
Yes. GreenFlex Foam is designed with a breathable, open-cell foam structure that promotes airflow and helps regulate temperature throughout the night.
This breathable mattress foam design allows air to move more easily through the mattress, helping reduce heat buildup while you sleep.
Cooling-related features:
- Open-cell foam structure
- Improved airflow through the mattress
- Designed to help regulate temperature overnight
Is GreenFlex Foam better than traditional foam
GreenFlex Foam delivers equivalent or superior performance to conventional petroleum-based foam in three areas mattress buyers compare: cooling, pressure relief, and durability. In independent testing, Leesa mattresses with GreenFlex Foam maintain cooler sleep surface temperatures than comparable foam mattresses, making them a strong choice for people searching for the best cooling mattress with sustainable materials.
Which Leesa mattresses contain GreenFlex Foam?
GreenFlex Foam is featured in most Leesa mattresses.
It is currently included in every Leesa model except the Oasis Chill Hybrid and the Legend Hybrid.
If you are comparing Leesa mattresses, check the product details for each model to confirm whether GreenFlex Foam is included.
Which Leesa mattress is best for hot sleepers?
The Leesa Sapira Chill Hybrid with GreenFlex Foam is Leesa’s best cooling mattress. It combines active cooling fibers on the sleep surface, an open-cell bio-based foam comfort layer, and individually wrapped coils that promote vertical airflow—earning it recognition as a top cooling mattress pick by AARPopens in new window in 2026.
Why did Leesa create GreenFlex Foam?
Leesa developed GreenFlex Foam in-house as part of its ongoing commitment to more thoughtful materials and better sleep innovation.
The goal was to create a biobased mattress foam that combines renewable materials with the breathable comfort, responsive support, and durability Leesa is known for.
GreenFlex Foam reflects Leesa’s focus on improving mattress materials without sacrificing sleep performance.
*The 26% biobased content of GreenFlex® Foam has been verified through third-party testing under the USDA BioPreferred® Programopens in new window,
ensuring compliance with rigorous standards for renewable material content.