Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
GhostBed Natural
Serta iSeries Hybrid
Comfort
9/10
8.8/10
Support
9.2/10
9/10
Cooling
9/10
8.7/10
Edge Support
8.8/10
9/10
Motion Isolation
8.2/10
8.6/10
Durability
9.3/10
8.9/10
Value
8.5/10
8.5/10
Quick Specs Comparison
Spec
GhostBed Natural
Serta iSeries Hybrid
Price (Queen)
$1,599
$1,399
Type
Hybrid
Hybrid
Firmness
6/10
6/10
Height
12 inches
12 inches
Trial
101 nights
120 nights
Warranty
25 years
10 years
Shipping
Free shipping
Free shipping
Key Advantages
Why Choose GhostBed Natural
- GOLS-certified organic Dunlop latex
- GOTS-certified organic cotton cover
- Natural New Zealand wool fire barrier — no chemical flame retardants
Why Choose Serta iSeries Hybrid
- Trusted 90+ year brand
- Widely available in stores
- Good balance of comfort and support