The Onyx is sleeker, thinner, and firmer than the other two models in the Onyx lineup. It has a Cooling Knit Cover and utilizes the paring of Copper Gel AeroFusion™ Memory Foam and Flex Support Foam to provide the sleeper with support, isolate them from motion, and align their pressure more evenly.
Graphene-enhanced Cooling Knit Fabric Cover:
Infused with graphene, the cooling knit fabric not only breathes, but the air ow creates a cooling sensation keeping you comfortable while you sleep. This highly advanced fabric stays cool-to-the-touch due to its superior breathability and temperature regulating properties that move heat away from the body.
Graphene cooling technology and copper infusion for temperature regulation and pocketed springs for flex support.
Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.
All mattresses or foundations with proper support and are stain free are protected by a limited manufacturer's warranty. The limited warranty covers manufacturing defects and faults in materials. Replacement of one piece due to manufacturing defect does not automatically result in the replacement of another piece. The limited warranty is provided only to the original purchaser and is not transferrable.
This warranty does not apply to and excludes:
- Consumer firmness/comfort preferences
- Normal changes in softness or body impressions over time
- 3/4" body impression is the standard for all foam mattresses
- 1 1/2" body impression is the standard for all inner spring mattresses
- Consumer bed height/weight preference
- Cover fabric and handles
- Corner guards
- Burns, cuts or tears
- Vermin infestations
- Mattresses used with inadequate foundation and/or support system
- Mattresses displaying stains or soil
- Mattresses WITHOUT the original Law Tags in place
- Merchandise sold "As-Is" or "Floor Model sample" unless otherwise specified onsales order
The warranty coverage runs from the original date of purchase and the warranty period is based on the code printed on your white law label tag.
MattressMan does not approve nor deny a warranty claim as that is the manufacturers' decision. We will, however, expedite service on the manufacturer's warranty by submitting to the manufacturer all of the information needed on the warranty claim form.
Adjustable Bases Warranty
Protect your investment in an adjustable base with our Sleep EASY Guarantee 10-Year Protection Plan This comprehensive 10-year plan covers mechanical or structural failure of the base for the portion of the original manufacturer's warranty that has expired, including frames, welds, mechanisms and electrical components.
Sleep EASY Guarantee 10-Year Protection Plan for Adjustable Bases... $149.99