Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Casper Cloud One
Nolah Signature 12
Comfort
9/10
9.1/10
Support
8.6/10
8.5/10
Cooling
8.3/10
8.6/10
Edge Support
8/10
7.8/10
Motion Isolation
9.4/10
9.3/10
Durability
8.6/10
8.7/10
Value
8.7/10
9.3/10
Quick Specs Comparison
Spec
Casper Cloud One
Nolah Signature 12
Price (Queen)
$1,099
$1,169
Type
All-Foam
Memory Foam Alternative
Firmness
4.5/10
4/10
Height
11 inches
12 inches
Trial
100 nights
120 nights
Warranty
10 years
Limited lifetime
Shipping
Free shipping & returns
Free shipping and free returns in the contiguous US
Key Advantages
Why Choose Casper Cloud One
- Medium-soft 4.5/10 feel that cushions shoulders
- Keeps the zoned lumbar support of The One
- Excellent motion isolation
Why Choose Nolah Signature 12
- AirFoam gives memory-foam-grade pressure relief at the shoulder and hip without the heat retention
- Tri-Zone construction is softer at the shoulders and firmer at the lumbar, which is exactly what side sleepers need
- Near-best-in-class motion isolation — excellent for couples