Brooklyn Bedding
Plank Firm Extra firm all-foam mattress
Best dual-sided mattress for back sleepers needing firm, supportive spinal alignment.
Discover the Brooklyn Bedding Plank Firm Luxe Mattress, engineered for those who demand an exceptionally firm sleep surface. Endorsed by the American Chiropractic Association, this mattress is designed to reduce spinal stress and improve back support. Its unique flippable construction offers two distinct firmness levels: Firm (7) and Extra Firm (9). High-density foams provide robust support while contouring gently to pressure points. For enhanced cooling, an optional GlacioTex™ Cooling Cover is available, making it ideal for hot sleepers. The core features individually encased coils for targeted support and excellent motion isolation.
$521.30
More Plank Options
Owner Satisfaction
4.5
/ 5
Category Rank
1044
/ 6107
#1044 in Mattresses
Price vs Category Average
-69%
Below average
Mattress Type
Hybrid
/ Hybrid
Who it's for
- Superior Spinal Alignment
- Exceptional Durability and Edge Support
- Targeted Lower Back Pain Relief
Who should skip it
- Insufficient Pressure Relief for Side Sleepers
- Highly Polarizing Comfort Profile
- Potential for Initial Discomfort
Key Specs
Mattress Type
Hybrid
Height
13.25 inches
Support Core
6-inch Pocketed Coils
Comfort Layers
1.5-inch Quilting, 1-inch TitanFlex Polyfoam, 2-inch High-Density Polyfoam
Certifications
CertiPUR-US Certified
Made in the USA
Hypoallergenic
Flippable Design
Features
- Dual-sided flippable design for customizable firmness
- Hybrid construction with pocketed coils for bounce and ventilation
- Excellent edge support for full surface usability
- Promotes a cool sleeping environment
- Responsive surface for easy movement and repositioning
- Engineered for a neutral spine position
- Endorsed by the American Chiropractic Association
- Optional GlacioTex cooling cover available
What customers say
The Plank Firm Extra Firm all-foam mattress by Brooklyn Bedding elicits highly polarized, yet overwhelmingly positive, sentiment from its intended audience. Customers who specifically seek a truly ultra-firm sleep surface—primarily dedicated back and stomach sleepers, or those needing relief from back pain caused by sagging mattresses—are exceptionally satisfied. Reviewers frequently praise the mattress for delivering on its promise of extreme firmness, often describing the feel as sleeping 'on a board,' which, for this niche, is the highest compliment. The mattress is lauded for its superior spinal alignment support and minimal sinkage, contributing to significant pain relief for many users. The flippable design, offering both a Firm and an Extra Firm side, is a well-received feature, allowing for slight customization within the hard-mattress category. However, the main source of dissatisfaction comes from customers who misjudged their firmness needs. Side sleepers, in particular, often find the Plank too unforgiving, leading to pressure point discomfort in the hips and shoulders. While minor initial off-gassing is occasionally reported, it is generally not a long-term issue. Overall, the Plank is recognized as a specialized, high-quality product that expertly fulfills the needs of a specific, underserved market segment, leading to high overall satisfaction scores among its core user base.
Know before you buy
The mattress is dual-sided, allowing you to choose between a 'firmer' and 'firmest' feel simply by flipping it over. Both sides utilize high-density foam to maintain a rigid, supportive surface, but the layering provides two distinct levels of tension.
While this mattress is specifically engineered for those who prefer a very firm surface, it is designed to soothe pressure points in the hips and shoulders. However, if you require significant sinkage or contouring, you may find the surface too rigid for side sleeping.
The ACA endorsement indicates that the mattress design has been evaluated for its ability to promote healthy spinal alignment and reduce spinal stress. It is specifically built to provide the lumbar support necessary to help alleviate back pain during sleep.
Yes, the core features 6-inch individually encased coils that move independently. This construction is highly effective at isolating motion, meaning you are less likely to feel your partner moving or getting out of bed.
If you tend to sleep hot, the cooling cover is a worthwhile upgrade as it actively draws heat away from the body. While the base mattress uses breathable materials, the GlacioTex™ technology provides a more immediate, noticeable cooling sensation.
The mattress weighs 120 pounds and does not feature turning handles. Because it is a flippable hybrid, you will need to coordinate with someone else to safely rotate or flip the mattress when you want to change the firmness level.
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$521