Casper Onyx 2.0 Mattress
Best cooling mattress for sleepers needing adjustable head elevation and support.
This setup is for the reader who wants the cooling, supportive benefits of layered foam without the complexity of a full-featured smart bed. You sacrifice the ability to adjust your feet, but you gain a streamlined, reliable way to elevate your head for better breathing and late-night reading.
$1498.00
at
Rooms to Go
Who it's for
- Sleepers seeking premium comfort and targeted spinal alignment
- Readers and TV watchers needing upright support
- Shoppers wanting a perfectly matched, cohesive sleep system
Who should skip it
- Budget-conscious buyers prioritizing affordability over luxury features
- Users desiring full-body adjustability or zero-gravity positions
- Traditionalists preferring the bounce of classic spring mattresses
Performance breakdown
Temperature Regulation
Multi-layer foam design actively dissipates heat for a cooler sleep surface.
Adjustability Versatility
Head-only elevation offers targeted relief for reading and common sleep issues.
Pressure Relief
Three-layer foam construction effectively contours to support key pressure points.
Structural Integrity
Durable core base prevents premature sagging and maintains consistent edge support.
Material Safety
CertiPUR-US certification ensures low emissions and a healthier bedroom environment.
Profile Sleekness
Low-profile design integrates seamlessly into modern bedroom aesthetics without bulk.
Key Specs
Mattress Height
10.5 inches
Adjustable Base Height
4.00 inches
Queen Mattress Dimensions
60.00"w x 80.00"d
Queen Adjustable Base Dimensions
59.00"w x 80.00"d
Certifications
CertiPUR-US certified, Low VOC emissions
Warranty
10 year limited warranty / 20 year limited warranty
Comfort Layer Material
Breathe Flex Foam
Mattress Construction
3 layers of foam, Casper Core base
Cooling Technology
Breathe Foam, Breathe Flex Foam
Adjustable Base Compatible
Yes
Know before you buy
Still have a question?
Ask Metto anything about the Casper Onyx 2.0 Mattress before you decide.