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Explore models, compare feels, and get fitted by a sleep specialist.
WellFlex Memory Foam Mattress
Crafted with precision and a commitment to sustainability, the WellFlex is meticulously engineered for a cool, supportive night's sleep, featuring a sustainable BioBreeze™ Memory Foam layer that enhances breathability and elevates comfort. Wrapped in a cooling knit fabric cover made from organic, recycled materials, ensures you stay cool while we honor our dedication to creating sustainable, eco-friendly mattresses.
Free shipping | expected to ship in 5-14 days
WellFlex Memory Foam Mattress
$1,899.00
Proudly Made In The USA
MLILY USA keeps jobs in America with manufacturing facilities located in South Carolina and Arizona.
Vertical Integration
All of our products, materials and processes are sourced exclusively by MLILY, providing unparalleled safety and reliability you can trust.
Eco-friendly Foams
Without ozone depleters, mercury, lead, or heavy metals, our foams are manufactured to be safe for you, your family, and the environment.
Quality Control
Each of our products undergoes thousands of testing cycles to ensure that you always receive the best quality.
Get to Know the Structure of Your Mattress
Explore each layer to see how the 1.0 and 3.0 models differ—so you can find the balance of support and softness that fits your sleep style.
1.0 Firm
3.0 Plush
1
2
3
4
5
1
Comfort Knit Fabric Cover
This cover’s soft, cozy, and breathable fabric allows for optimal airflow, providing a cool and comfortable sleeping experience. Its advanced design helps regulate body temperature, ensuring you stay comfortable throughout the night.
2
1" BioBreeze™ Memory Foam
We have reengineered our proprietary AeroFusion® Memory Foam to incorporate at least 30% bio-based carbon, making it a more sustainable and eco-friendly choice while maintaining its exceptional cooling and
temperature-regulating capabilities.
3
2" Performance Memory Foam
This foam is all about versatility. It mixes durability, flexibility, and adaptability into a single memory foam. Performance Memory Foam is often used as a mid-section foam due to its ability to fully support the more breathable foams above it.
4
9" Flex Support Base Foam
Flex Support Base Foam is often the bottom layer of our mattresses. A mattress must provide the necessary
support to keep the spine aligned so the sleeper’s muscles relax instead of tightening to compensate. This high-grade foam completes the bottom of the mattress to provide long-lasting durability and support for the top layers.
5
Fiberglass-free FR Inner Cover
A safe and effective flame-retardant layer around the mattress without the disadvantages of fiberglass and other fire-retardant chemicals.
1
Comfort Knit Fabric Cover
This cover’s soft, cozy, and breathable fabric allows for optimal airflow, providing a cool and comfortable sleeping experience. Its advanced design helps regulate body temperature, ensuring you stay comfortable throughout the night.
2
1" BioBreeze™ Memory Foam
We have reengineered our proprietary AeroFusion® Memory Foam to incorporate at least 30% bio-based carbon, making it a more sustainable and eco-friendly choice while maintaining its exceptional cooling and
temperature-regulating capabilities.
3
2" Performance Memory Foam
This foam is all about versatility. It mixes durability, flexibility, and adaptability into a single memory foam. Performance Memory Foam is often used as a mid-section foam due to its ability to fully support the more breathable foams above it.
4
9" Flex Support Base Foam
Flex Support Base Foam is often the bottom layer of our mattresses. A mattress must provide the necessary
support to keep the spine aligned so the sleeper’s muscles relax instead of tightening to compensate. This high-grade foam completes the bottom of the mattress to provide long-lasting durability and support for the top layers.
5
Fiberglass-free FR Inner Cover
A safe and effective flame-retardant layer around the mattress without the disadvantages of fiberglass and other fire-retardant chemicals.
1
2
3
4
5
6
1
Comfort Knit Fabric Cover
This cover’s soft, cozy, and breathable fabric allows for optimal airflow, providing a cool and comfortable sleeping experience. Its advanced design helps regulate body temperature, ensuring you stay comfortable throughout the night.
2
1.5” Gel AeroFusion® Memory Foam
Take memory foam to the next level. Micro-channels optimize airflow and temperature regulation to ensure you stay cool while still getting the comfort and pressure-relieving benefits memory foam is famous for. In addition, it offers supportive spinal alignment.
3
1.5” BioBreeze™ Memory Foam
We have reengineered our proprietary AeroFusion® Memory Foam to incorporate at least 30% bio-based carbon, making it a more sustainable and eco-friendly choice while maintaining its exceptional cooling and temperature-regulating capabilities.
4
2” Liquid Gel CoolFlex™ Foam
This foam is generously infused with liquid cooling gel swirled into the foam’s cellular-like structure. This keeps the sleeper cooler and allows more air to circulate through the foam layers.
5
1.5” Flex Comfort Foam
This flexible comfort foam is engineered to enhance plushness and pressure relief while maintaining consistent support. Its responsive structure helps the layers above gently contour to the body, creating a balanced feel that adapts to movement. Designed to encourage airflow through the mattress, it helps regulate temperature and contributes to a cooler, more comfortable sleep experience.
6
5.5” Flex Support Base Foam
Flex Support Base Foam is often the bottom layer of our mattresses. A mattress must provide the necessary support to keep the spine aligned so the sleeper’s muscles relax instead of tightening to compensate. This high-grade foam completes the bottom of the mattress to provide long-lasting durability and support for the top layers.
1
Comfort Knit Fabric Cover
This cover’s soft, cozy, and breathable fabric allows for optimal airflow, providing a cool and comfortable sleeping experience. Its advanced design helps regulate body temperature, ensuring you stay comfortable throughout the night.
2
1.5” Gel AeroFusion® Memory Foam
Take memory foam to the next level. Micro-channels optimize airflow and temperature regulation to ensure you stay cool while still getting the comfort and pressure-relieving benefits memory foam is famous for. In addition, it offers supportive spinal alignment.
3
1.5” BioBreeze™ Memory Foam
We have reengineered our proprietary AeroFusion® Memory Foam to incorporate at least 30% bio-based carbon, making it a more sustainable and eco-friendly choice while maintaining its exceptional cooling and temperature-regulating capabilities.
4
2” Liquid Gel CoolFlex™ Foam
This foam is generously infused with liquid cooling gel swirled into the foam’s cellular-like structure. This keeps the sleeper cooler and allows more air to circulate through the foam layers.
5
1.5” Flex Comfort Foam
This flexible comfort foam is engineered to enhance plushness and pressure relief while maintaining consistent support. Its responsive structure helps the layers above gently contour to the body, creating a balanced feel that adapts to movement. Designed to encourage airflow through the mattress, it helps regulate temperature and contributes to a cooler, more comfortable sleep experience.
6
5.5” Flex Support Base Foam
Flex Support Base Foam is often the bottom layer of our mattresses. A mattress must provide the necessary support to keep the spine aligned so the sleeper’s muscles relax instead of tightening to compensate. This high-grade foam completes the bottom of the mattress to provide long-lasting durability and support for the top layers.
Product Specs
Mattress Size & Dimensions
| Mattress Size | Dimensions | Best For |
|---|---|---|
| Twin | 38" x 75" | Single sleepers, kids rooms |
| Twin XL | 38" x 80" | Tall single sleepers, dorms |
| Full | 54" x 75" | Single sleepers, guest rooms |
| Queen | 60" x 80" | Couples, master bedrooms |
| King | 76" x 80" | Couples who want extra space |
| California King | 72" x 84" | Tall couples, spacious rooms |
Mattress Size:
Twin
Dimensions:
38" x 75"
Best For:
Single sleepers, kids rooms
Mattress Size:
Twin XL
Dimensions:
38" x 80"
Best For:
Tall single sleepers, dorms
Mattress Size:
Full
Dimensions:
54" x 75"
Best For:
Single sleepers, guest rooms
Mattress Size:
Queen
Dimensions:
60" x 80"
Best For:
Couples, master bedrooms
Mattress Size:
King
Dimensions:
76" x 80"
Best For:
Couples who want extra space
Mattress Size:
California King
Dimensions:
72" x 84"
Best For:
Tall couples, spacious rooms
Crafted by Sleep Experts. Perfected for You.
Engineered with precision and purpose, each MLILY design combines world-class
innovation and comfort to meet your body where it rests best.
innovation and comfort to meet your body where it rests best.
Sustainability Meets Comfort
Feel good not only about your sleep but also your impact on the planet. The WellFlex is crafted with organic recycled materials and eco-friendly components, proving that luxurious comfort and sustainability can go hand in hand. It’s not just a mattress—it’s a smarter choice for you and the environment.
Wake Up Refreshed, Not Overheated
Stuffy nights are a thing of the past with the WellFlex. Its Comfort Knit Cover and innovative foam layers work together to promote airflow, reduce heat buildup, and keep you comfortably cool all night long. Wake up feeling refreshed and ready to take on the day with energy to spare!
Sleep Your Way, Every Night
Designed to support spinal alignment and promote healthier sleep, the WellFlex gives you the freedom to choose between two firmness options—so you can find the perfect level of comfort tailored to your sleep style. Whether you prefer a sturdy surface or a plush embrace, the WellFlex has you covered.
WellFlex
Midnight
ChiroPro
All-foam Construction
✔
X
X
Hybrid Pocketed Coils
X
✔
✔
Zoned Lumbar Support
X
X
✔
Reinforced Edge Support
X
✔
✔
Best Motion Isolation
✔
X
X
Stay Fresh, Sleep Better
Block moisture, pests, and daily wear while preserving your mattress feel.
6-Sided Fully Encased Mattress Protector
Responsive comfort with targeted support.
•
Cooling comfort layers
•
Responsive support design
•
Pressure-relieving comfort
5-Sided Rayon Bamboo Mattress Protector
Responsive comfort with targeted support.
•
Cooling comfort layers
•
Responsive support design
•
Pressure-relieving comfort
5-Sided Super Cooling Mattress Protector
Responsive comfort with targeted support.
•
Cooling comfort layers
•
Responsive support design
•
Pressure-relieving comfort
Single Sided Polyester Mattress Protector
Responsive comfort with targeted support.
•
Cooling comfort layers
•
Responsive support design
•
Pressure-relieving comfort
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Trusted by Sleepers Around the World
What Our Customers Are Saying
No more back pain
My husband and I absolutely love our new bed. He had back pain every morning after waking up on our old mattress. He feels so much better now. I also love the soft yet supported feel of this mattress. Its easy to get comfortable and I fall asleep even faster.
MLILY Dream
Verified Buyer
Adjustable
I have spent a lot of money on pillows trying to find the right one and they always seem to be too full,have too much stuffing in them and very uncomfortable and hurt my neck. I finally found the pillow I’ve been searching for I love the fact that there’s a zipper that you can take out the filling and you can adjust the pillow to the way you want it.
AirCell Classic Pillow
Verified Buyer
Fast delivery
Delivery was on time and driver was great. Boxes were heavy but had help carrying them in. Instructions were clear and set up was not hard. Love all the features. Sleep very well. Love the ease of adjustment of head to foot. Very pleased with product.
PowerCool Medium Sleep System
Verified Buyer
Expensive, but good
Needed this type of bed during a period limited mobility. Even after full recovery, I continued to use this bed because of the comfort. When I see the advertised prices of some of the big name adjustable beds, I am so glad I found this fairly inexpensive alternative.
PowerCool Firm Sleep System
Verified Buyer
Great for toddler AND adult use
This was a REORDER because I love everything about these pillows. Machine wash/delicate and dry/low. Soft and snuggly. Great for adult naps in the car. Most of all, BELOVED by toddler grandchildren. Perfect little person sized pillow.
JAMA Pillow
Verified Buyer
Best pillow ever!
Second Milly pillow. Tried first one in Portugal and had to have one back home!
Serenity Contour Pillow
Verified Buyer
WellFlex 12-Inch Memory Foam Mattress with Sustainable Materials
The WellFlex 12-inch mattress is designed for sleepers who want supportive comfort, sustainable materials, and cooling performance at an accessible price point. Crafted with recycled thread fabric and breathable BioBreeze™ Memory Foam, WellFlex gently contours to your body while promoting a more supportive and balanced night’s rest.
If you are searching for a sustainable memory foam mattress, an affordable cooling mattress, or a supportive foam mattress with eco-conscious materials, WellFlex delivers comfort and value without sacrificing performance. Its responsive foam construction adapts to your natural sleep position while maintaining consistent support throughout the night.
The breathable BioBreeze™ Memory Foam layer enhances airflow and reduces heat retention, helping regulate temperature for more comfortable sleep. For those seeking enhanced cooling technology, the WellFlex ICE upgrade adds an additional 2 inches of cooling foams, a cooling cover, and a layer of ActiveTemp™ phase change material for advanced temperature regulation.
Key Features
- Fabric cover made from recycled thread materials
- Breathable BioBreeze™ Memory Foam for contouring support
- Balanced comfort designed for pressure relief
- Optional ICE upgrade for advanced cooling performance
- Available in Firmer 1.0 and Plusher 3.0 comfort levels
Firmness Options
1.0 Firmer: Designed for sleepers who prefer structured support and minimal sink, ideal for back and stomach sleepers.
3.0 Plusher: Offers enhanced contouring and pressure relief while maintaining balanced support.
Frequently Asked Questions
Is WellFlex a good mattress for hot sleepers?
WellFlex includes breathable BioBreeze™ Memory Foam to improve airflow. For additional cooling, the ICE upgrade adds extra cooling foams and ActiveTemp™ PCM technology to help regulate temperature.
What makes WellFlex a sustainable mattress?
The cover features fabric made from recycled thread materials, reducing environmental impact while maintaining durability and comfort.
What is the difference between the standard WellFlex and WellFlex ICE?
The standard model provides supportive memory foam comfort, while the ICE version includes an additional 2 inches of cooling foams, a cooling cover, and ActiveTemp™ phase change material for enhanced temperature regulation.