# What is the firmest memory foam mattress suitable for back sleepers? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the firmest memory foam mattress suitable for back sleepers?

## Products

### Brooklyn Bedding Plank by Brooklyn Bedding Original (Firm / Extra Firm)
```yaml
product: brooklyn-bedding-plank-by-brooklyn-bedding-original-firm-extra-firm
brand: Brooklyn Bedding
price_gbp: 617.63
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 2 top quilted panels plus high-density support foam core (flippable, all-foam)
firmness: Firm side 8/10; Extra-firm side 10/10
thickness: 10 in
motion_isolation: Excellent
temperature_regulation: Open-cell foam and breathable quilted top; optional GlacioTex cooling cover
```

- **Price:** £617.63 [^1]
- **Summary:** The Plank is a 10 in, flippable all-foam mattress with a firm side and an extra-firm side designed to sleep very flat and supportive. It uses dense support foams and a low-loft quilted top for minimal sink, strong motion isolation, and optional cooling via a GlacioTex cover, making it best for back and stomach sleepers who need very firm support.
- **Ideal For:** Best for back sleepers seeking the firmest memory-foam-style feel because it offers a 10 in all-foam, flippable design with an extra-firm side rated 10/10 and dense support foam for minimal sink.

### Saatva Saatva Classic Luxury Firm
```yaml
product: saatva-saatva-classic-luxury-firm
brand: Saatva
price_gbp: 1420.4
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: Dual-coil system with Euro pillow top and memory foam layer
firmness: 6 out of 10
thickness: 11.5 in or 14.5 in
motion_isolation: Subpar / higher motion transfer
temperature_regulation: Excellent cooling / breathable (coil-on-coil design)
```

- **Price:** £1420.4 [^2]
- **Summary:** The Saatva Classic Luxury Firm is a hybrid, coil-on-coil mattress with a Euro pillow top and zoned lumbar support, offered in 11.5 in and 14.5 in heights. It delivers medium-firm support (6/10), strong edge support, good responsiveness, and cooling performance due to minimal foam and a dual-coil design, suiting sleepers who want supportive, hotel-like feel.
- **Ideal For:** Ideal for back sleepers seeking the firmest suitable memory-foam-hybrid option because its Luxury Firm comfort registers 6 out of 10 firmness with zoned lumbar support and a memory foam layer atop a dual-coil core.

### DreamCloud DreamCloud Classic Hybrid (Firm option)
```yaml
product: dreamcloud-dreamcloud-classic-hybrid-firm-option
brand: DreamCloud
price_gbp: 486.46
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 6
firmness: Firm
thickness: 12 in
motion_isolation: Good
temperature_regulation: Cooling fibers in cover, breathable (stays cool-to-the-touch)
```

- **Price:** £486.46 [^3]
- **Summary:** The DreamCloud Classic Hybrid (Firm) is a 12 in, 6-layer hybrid mattress combining a CloudQuilt™ cover, 1 in memory foam comfort layer, supportive foams, and individually-wrapped coils for support and motion isolation. It targets back and stomach sleepers seeking a firmer, supportive surface with cooling cover fibers for temperature regulation.
- **Ideal For:** Suitable because its firm feel plus 1 in memory foam and pocketed coil support provide strong spinal alignment favored by back sleepers seeking a firm memory-foam hybrid.

### Glacier Glacier Apex Hybrid Memory Foam
```yaml
product: glacier-glacier-apex-hybrid-memory-foam
brand: Glacier
price_gbp: 1048.62
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 7
firmness: Medium-Plush
thickness: 14 in
motion_isolation: Low to Moderate
temperature_regulation: Graphite- and copper-infused foams with ventilated gel foam and coil airflow
```

- **Price:** £1048.62 [^4]
- **Summary:** The Glacier Apex Hybrid is a 14 in hybrid mattress with multiple cooling features (graphite and copper-infused memory foams, ventilated gel foam, and pocketed coils) and a plush, highly contouring comfort profile across seven engineered layers. It targets pressure relief with zoned lumbar support and strong edge support, suited for sleepers who want deep contouring and cooling performance.
- **Ideal For:** Back sleepers seeking the firmest suitable memory foam feel should note this model is Medium-Plush (so it suits back sleepers who prefer plush contouring but not a very firm bed).

### Nectar Nectar Premier Copper Memory Foam
```yaml
product: nectar-nectar-premier-copper-memory-foam
brand: Nectar
price_gbp: 898.71
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 5
firmness: 5 to 6.5 out of 10
thickness: 14 in
motion_isolation: Excellent
temperature_regulation: High (copper infusion and gel/phase-change cooling)
```

- **Price:** £898.71 [^5]
- **Summary:** The Nectar Premier Copper is a 14 in memory-foam focused mattress with multiple cooling technologies (copper-infused cover, gel-infused memory foam, and phase-change materials) and several comfort layers over a high-density support base. It provides strong pressure relief, deep contouring, and is designed to sleep cooler than standard memory-foam beds. It suits sleepers who want plush contouring with enhanced temperature control.
- **Ideal For:** Suitable for back sleepers seeking a firmer-feeling memory foam because it pairs 5 inches of comfort foam atop a 9 inch high-density support base providing durable support and pressure relief.

### Brooklyn Bedding Signature Hybrid Firm (Brooklyn Bedding Signature Hybrid)
```yaml
product: brooklyn-bedding-signature-hybrid-firm-brooklyn-bedding-signature-hybrid
brand: Brooklyn Bedding
price_gbp: 608.11
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 7
firmness: Firm (approx 8/10)
thickness: 12.25 in
motion_isolation: Superior motion isolation
temperature_regulation: ThermoPhase PCM layer and GlacioTex cooling cover
```

- **Price:** £608.11 [^6]
- **Summary:** The Signature Hybrid Firm is a 12.25 in, 7-layer hybrid mattress combining foam comfort layers (including gel swirl memory foam, VX responsive foam, ThermoPhase PCM) over 8 in encased Ascension coils for support and edge stability. It offers strong motion isolation, built-in cooling features, and comes in soft, medium, and firm options to suit many sleepers. It is best for sleepers who want responsive foam feel with coil support and cooling performance.
- **Ideal For:** Suitable because the firm option is the firmest Signature Hybrid (about 8/10) with dense responsive foams and an 8 in encased coil support layer that maintain spinal alignment for back sleepers.

### Leesa Leesa Sapira Chill Hybrid (Firm option)
```yaml
product: leesa-leesa-sapira-chill-hybrid-firm-option
brand: Leesa
price_gbp: 1552.47
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
layers: 7
firmness: Firm (approx 8/10)
thickness: 12.25 in
motion_isolation: Superior motion isolation
temperature_regulation: ThermoPhase PCM layer and GlacioTex cooling cover
```

- **Price:** £1552.47 [^7]
- **Summary:** The Signature Hybrid Firm is a 12.25 in, 7-layer hybrid mattress combining foam comfort layers (including gel swirl memory foam, VX responsive foam, ThermoPhase PCM) over 8 in encased Ascension coils for support and edge stability. It offers strong motion isolation, built-in cooling features, and comes in soft, medium, and firm options to suit many sleepers. It is best for sleepers who want responsive foam feel with coil support and cooling performance.
- **Ideal For:** Suitable because the firm option is the firmest Signature Hybrid (about 8/10) with dense responsive foams and an 8 in encased coil support layer that maintain spinal alignment for back sleepers.

---
## References & Sources
[^1]: SleePare, accessed 2026-06-10. https://shop.sleepare.com/products/brooklyn-bedding-plank-firm-luxe-mattress
[^2]: Saatva, accessed 2026-06-10. https://www.saatva.com/mattresses/saatva-classic
[^3]: Mattress Firm, accessed 2026-06-10. https://www.mattressfirm.com/classic-hybrid-mattress/5637593076.p
[^4]: Tom's Guide (retailer listing/pricing referenced), accessed 2026-06-10. https://www.tomsguide.com/mattresses/glacier-apex-hybrid-hands-on-review
[^5]: The Home of Foam, accessed 2026-06-10. https://www.thehomeoffoam.com/product/nectar-premier-memory-foam-mattress/
[^6]: Cloud Mattress Co., accessed 2026-06-10. https://www.cloudmattressco.com/products/signature-hybrid
[^7]: Sleep Outfitters, accessed 2026-06-10. https://sleepoutfitters.com/products/leesa-sapira-chill-medium-hybrid-mattress?Size=King