Plank Firm Luxe Hybrid Mattress
Best extreme firmness for back and stomach sleepers needing robust support.
This is the firmest hybrid mattress available, offering a flippable design with both firm and extra-firm sides. It's ideal for back and stomach sleepers seeking robust support and spinal alignment, with an endorsement from the American Chiropractic Association.
$798.75
at
Mattress on Demand
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Who it's for
- Back and stomach sleepers needing rigid support
- Consumers prioritizing mattress longevity and robust support
- Hot sleepers seeking a consistently cool mattress
Who should skip it
- Side sleepers or those preferring plush comfort
- Sleepers desiring a soft, contouring, body-hugging feel
- Individuals who frequently move or rotate their mattress
Performance breakdown
Spinal Alignment
Chiropractic endorsement confirms superior support for healthy posture and back health.
Firmness Versatility
Dual-sided design offers two distinct levels of high-density structural support.
Motion Isolation
Individually encased coils effectively dampen movement for undisturbed partner sleep.
Temperature Regulation
Optional cooling cover provides a noticeable, refreshing surface for hot sleepers.
Durability
High-density foam and robust coil construction ensure long-term structural integrity.
Targeted Support
Engineered specifically to keep back and stomach sleepers perfectly elevated.
Key Specs
Mattress Type
Hybrid
Firmness Level
Firm (7.5-8), Extra Firm (9.5-10)
Comfort Layer Material
High-Density Support Foam, Supreme Response Comfort Foam
Cooling Feature
Yes (optional GlacioTex™ Cooling Cover)
Motion Isolation Feature
Yes (Excellent)
Sleep Position Preference
Back Sleeper, Stomach Sleeper
Warranty Length
Limited Lifetime
Trial Period
120 days
Coil Count
Up to 961 individually encased coils
Cover Material
Quilted Top
Know before you buy
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