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 phase change material to help regulate temperature.

What makes WellFlex a sustainable mattress?

The WellFlex cover features fabric made from recycled thread materials, helping reduce environmental impact while maintaining durability and comfort.

What is the difference between the standard WellFlex and WellFlex ICE?

The standard WellFlex 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.

MLILY WellFlex Memory Foam Mattress | Sustainable Design & Breathable Cooling Foam

Name: WellFlex Memory Foam Mattress
Brand: MLILY
SKU: MWX120T000FT

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

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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.

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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.

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.

Close up of MLILY Wellflex mattress cover

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!

Two WellFlex mattress corners with a blue background

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.

Transform Your Bed
Into a Personalized
Sleep System

Take your comfort to the next level with an MLILY Adjustable Base.
Effortlessly raise your head or feet with a wireless remote, ease pressure points,
and discover your ideal position for reading, relaxing, or sleeping.

Shop Adjustable Bases

WellFlex

Midnight

ChiroPro

All-foam Construction

✔

X

Hybrid Pocketed Coils

X

✔

Zoned Lumbar Support

X

✔

Reinforced Edge Support

X

✔

Best Motion Isolation

✔

X

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Stay Fresh, Sleep Better

Block moisture, pests, and daily wear while preserving your mattress feel.

Where to Try MLILY

Explore models, compare feels, and get fitted by a sleep specialist.

Find a Location Near You

MILY mattresses on display in a store with brick walls and visible branding.

WellFlex Memory Foam Mattress

$400 OFF Applied at Checkout

Cooling Comfort, Responsive Support and Thoughtfully Selected Materials

Choose Your Size: Twin

Firmness: Firmer 1.0