Hybrid Mattress for Cooler, Deeper Sleep
Delivering the perfect balance of cooling comfort and support, the Rize Home Cool Flex Plus 12" Twin XL Hybrid Mattress is ideal for guest rooms or everyday use. It features a 3” layer of graphite-infused memory foam and responsive TetraFlex coils that relieve pressure points and promote healthy spinal alignment. The medium comfort level suits a variety of sleepers, while the open-cell foam and washable cooling cover keep the sleep surface breathable and cool.
With motion-isolating coils, a fiberglass-free, hypoallergenic build, and adjustable base compatibility, this mattress offers a clean, quiet, and versatile sleep experience. It ships conveniently in a single box for easy setup.
Everything You Need for Comfortable, Balanced Sleep—Night After Night
- Cooling Comfort Technology: 3” layer of graphite memory foam, open-cell airflow design, and a removable cooling cover help regulate body temperature and keep sleepers cool throughout the night.
- Supportive Hybrid Construction: A combination of adaptive TetraFlex coils and plush memory foam delivers ergonomic support, pressure relief, and balanced spinal alignment.
- Medium Feel for Versatile Comfort: Perfectly tuned for comfort, the medium firmness suits a wide variety of sleeping preferences—ideal for guest rooms and shared beds.
- Motion Isolation for Restful Sleep: Individually wrapped coils absorb motion and minimize sleep disruptions from partner movement or shifting positions.
- Hypoallergenic & Fiberglass-Free: Made with safe, non-toxic, and hypoallergenic materials, this mattress is ideal for allergy-sensitive individuals and provides peace of mind with a fiberglass-free construction.
- Easy Shipping & Adjustable Base Ready: Arrives vacuum-sealed in a compact box for fast, contact-free delivery. Simple to unbox and unroll—fully expands within 24–48 hours. Compatible with adjustable bed bases.
- Profile: The 12-inch profile creates a balanced, luxurious sleep surface without being overly thick.
CertiPUR-US® Certification
- Made without formaldehyde
- Made without ozone depleters
- Made without phthalates regulated by the U.S. Consumer Product Safety Commission
- Made without mercury, lead or other heavy metals
- Low VOC (volatile organic compound) emissions for indoor air quality (less than 0.5 parts per million)
- Screened for relevant chemicals, including flame retardants, that are classified as carcinogens, mutagens or reproductive toxins and are harmful to human health
Rize Home Cool Flex Plus 12" Hybrid Mattress Specifications
| Sizes | Twin XL, Full, Queen, and King |
| Height | 12" |
| Color | Blue and White |
| Firmness | Medium |
| Motion Isolation | Minimal Disturbance from Your Partner's Movements During the Night, Allowing for Uninterrupted Sleep |
| TetraFlex Coils | The Hybrid Design Provides Adaptable Comfort Without Compromising on Support |
| Graphice Memory Foam | Graphice Graphite Infused Memory Foam Dissipates Heat, Keeping You Cool All Night |
| Country of Manufacturing | Handcrafted in the USA: Made in Small Batches to Guarantee Superior Quality and Control |
| Care Instructions | To clean your mattress cover, remove any bedding or sheets. Unzip zipper-off outer top cover. Machine wash on a gentle setting with warm or cold water with mild detergent. Let air dry. Wait until the cover is fully dried before replacing bedding. Do not machine dry, iron, bleach, or dry clean. Do not remove inner cover. |
| User Warranty | 10 Year Manufacturer's Limited Warranty |
Rize Home Cool Flex Plus 12" Hybrid Mattress Unboxing Instructions
Frequently Asked Questions (FAQs)
What type of sleeper is the Rize Home Cool Flex Plus mattress best for?
The Cool Flex Plus features a medium firmness, making it ideal for a wide range of sleepers, including back, side, and combination sleepers. Its balanced feel works especially well for guest rooms, shared beds, and everyday use, since it’s comfortable for most body types and sleep preferences.
How does this mattress help keep sleepers cool at night?
Cooling is built into every layer. The mattress includes a 3” graphite-infused memory foam layer that helps dissipate heat, an open-cell airflow design for breathability, and a removable, washable cooling cover that promotes a cooler, more comfortable sleep surface throughout the night.
Does this mattress provide good support and pressure relief?
Yes. The hybrid construction combines responsive TetraFlex pocketed coils with plush memory foam to deliver ergonomic support, pressure point relief, and healthy spinal alignment. This design offers adaptive comfort without sacrificing stability or long-term support.
Will movement from a partner disturb my sleep?
No—this mattress is designed for excellent motion isolation. Individually wrapped coils absorb movement and reduce transfer, helping minimize sleep disruptions caused by a partner shifting positions or getting in and out of bed.
Is the mattress safe, adjustable-base compatible, and easy to set up?
Yes on all counts. The Cool Flex Plus is fiberglass-free, hypoallergenic, and CertiPUR-US® certified, meaning it’s made without harmful chemicals and has low VOC emissions for better indoor air quality. It’s also compatible with adjustable bed bases and ships compressed in a single box for easy setup, expanding fully within 24–48 hours. The mattress is backed by a 10-year manufacturer’s limited warranty and is handcrafted in the USA for quality assurance.