Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Sleep EZ Roma All-Latex Mattress
Casper The One
Comfort
8.6/10
8.6/10
Support
8.9/10
8.8/10
Cooling
8.8/10
8.2/10
Edge Support
7.4/10
8/10
Motion Isolation
7.6/10
9.3/10
Durability
9.4/10
8.6/10
Value
9.5/10
9.1/10
Quick Specs Comparison
Spec
Sleep EZ Roma All-Latex Mattress
Casper The One
Price (Queen)
$849
$919
Type
All-Latex (Dunlop)
All-Foam
Firmness
6.5/10
6.5/10
Height
7 inches
11 inches
Trial
90 nights
100 nights
Warranty
10 years
10 years
Shipping
Free shipping in the continental US
Free shipping & returns
Key Advantages
Why Choose Sleep EZ Roma All-Latex Mattress
- Flippable — medium on one side, firm on the other, no extra cost
- Real latex durability: expect 12–15 years, not 6–8
- Naturally breathable open-cell structure sleeps cool
Why Choose Casper The One
- Lowest price in the current Casper lineup
- Zoned support keeps hips from sinking
- Class-leading motion isolation for couples