Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Casper The One
Leesa Original
Comfort
8.6/10
9/10
Support
8.8/10
8.7/10
Cooling
8.2/10
8.6/10
Edge Support
8/10
8.3/10
Motion Isolation
9.3/10
9/10
Durability
8.6/10
8.8/10
Value
9.1/10
8.9/10
Quick Specs Comparison
Spec
Casper The One
Leesa Original
Price (Queen)
$919
$849
Type
All-Foam
All-Foam
Firmness
6.5/10
5.5/10
Height
11 inches
10 inches
Trial
100 nights
100 nights
Warranty
10 years
10 years
Shipping
Free shipping & returns
Free shipping
Key Advantages
Why Choose Casper The One
- Lowest price in the current Casper lineup
- Zoned support keeps hips from sinking
- Class-leading motion isolation for couples
Why Choose Leesa Original
- Social impact - one mattress donated per 10 sold
- Balanced medium feel
- Good pressure relief