# What is the thickest pillow top mattress available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the thickest pillow top mattress available?

## Products

### Serta Perfect Comfort X 15in Luxury Firm Super Pillow Top Mattress
```yaml
product: serta-perfect-comfort-x-15in-luxury-firm-super-pillow-top-mattress
brand: Serta
price_gbp: 1012.73
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
thickness: 15in
support_core_type: 2550 Series 5 ZoneActive Pocket Coil System
comfort_layer_thickness: 3in
individual_pocketed_coils: 2550
```

- **Price:** £1012.73 [^1]
- **Summary:** This 15in luxury firm mattress combines a super pillow top with graphite memory foam, gel memory foam, micro coils, and a 2550-coil five-zone pocketed support system. It suits back and stomach sleepers who want firm spinal support with a cushioned surface, while the pocketed coil design helps limit partner motion.
- **Ideal For:** It suits shoppers asking for the thickest pillow top mattress because its 15in height and super pillow top make it one of the tallest pillow-top options found, with a 3in comfort layer over a 2550-coil support core.

### Evergreen 14in Euro-Top Firm Organic Latex Mattress
```yaml
product: evergreen-14in-euro-top-firm-organic-latex-mattress
brand: Evergreen
price_gbp: 461.61
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gauge: 13-gauge
thickness: 14in
motion_isolation: 8.3
support_core_type: 9in high-loft pocket coils with foam encasement
comfort_layer_thickness: 1.5in
individual_pocketed_coils: Yes
```

- **Price:** £461.61 [^2]
- **Summary:** This 14in firm latex hybrid combines a 1.5in organic latex comfort layer with a 9in pocket-coil support core and reinforced foam encasement. It suits back and stomach sleepers who prefer buoyant, supportive comfort, while its 8.3 motion-isolation rating can also work well for couples.
- **Ideal For:** It suits the question 'What is the thickest pillow top mattress available?' because its 14in height and quilted Euro-top construction make it a notably thick option, while the 1.5in organic latex comfort layer adds cushioning over the pocketed-coil core.

### Sealy Posturepedic 800 Series 13in Medium Firm Euro Top Mattress
```yaml
product: sealy-posturepedic-800-series-13in-medium-firm-euro-top-mattress
brand: Sealy
price_gbp: 363.22
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gauge: 13.75 gauge
thickness: 13 in
motion_isolation: 8.2
support_core_type: Posture Touch Pocket Coil with StableEdge HD and SolidBase
comfort_layer_thickness: 3.5 in
individual_pocketed_coils: Yes
```

- **Price:** £363.22 [^3]
- **Summary:** This 13 in medium-firm Euro top mattress combines a 3.5 in SealySupport HD foam comfort layer with individually wrapped Posture Touch pocket coils. It suits combination sleepers, side sleepers, back sleepers, and couples who want balanced support with good motion isolation.
- **Ideal For:** It suits the question What is the thickest pillow top mattress available because its 13 in Euro top construction is substantially thick and includes a 3.5 in comfort layer for cushioned pressure relief.
- **Additional Sources:** [^4]

### Serta Perfectly Plush 4in Pillow Top and Gel Memory Foam Mattress Topper
```yaml
product: serta-perfectly-plush-4in-pillow-top-and-gel-memory-foam-mattress-topper
brand: Serta
price_gbp: 107.26
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
thickness: 4in
support_core_type: gel memory foam
```

- **Price:** £107.26 [^5]
- **Summary:** This 4in topper combines a plush pillow top with gel memory foam for added cushioning and pressure relief. It suits sleepers who want to soften an overly firm mattress and add a thicker, more cushioned sleep surface.
- **Ideal For:** This product specifically suits someone asking for the thickest pillow top mattress available because its 4in thickness combines a pillow top with gel memory foam for substantial added cushioning.

---
## References & Sources
[^1]: National Mattress, accessed 2026-09-05. https://www.nationalmattress.ca/serta-perfect-comfort-x-super-pillowtop-luxury-firm-mattress
[^2]: National Mattress, accessed 2026-09-05. https://www.nationalmattress.ca/evergreen-14-euro-top-firm-organic-latex-mattress
[^3]: National Mattress, accessed 2026-09-05. https://www.nationalmattress.ca/sealy-posturepedic-800-series-euro-top-medium-firm-mattress-double-full
[^4]: Mattress Mall, accessed 2026-09-05. https://www.mattressmall.com/p/sealy-posturepedic-800-euro-top-mattress/
[^5]: Kohl's, accessed 2026-09-05. https://www.kohls.com/catalog/serta-mattress-toppers-mattress-protection-bedding.jsp?CN=Brand%3ASerta+Product%3AMattress+Toppers+Category%3AMattress+Protection+Department%3ABedding