Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Beautyrest World Class (Level Three)
Brooklyn Bedding ThermoBalance LX
Comfort
Not lab tested
Not lab tested
Support
Not lab tested
Not lab tested
Cooling
Not lab tested
Not lab tested
Edge Support
Not lab tested
Not lab tested
Motion Isolation
Not lab tested
Not lab tested
Durability
Not lab tested
Not lab tested
Value
8/10
8.6/10
Blank cells mean that model has not completed our instrumented lab protocol, so we publish no measured score for it. We never estimate a number we have not recorded.
Quick Specs Comparison
Spec
Beautyrest World Class (Level Three)
Brooklyn Bedding ThermoBalance LX
Price (Queen)
$1,399
$1,374
Type
Innerspring
Latex Hybrid
Firmness
6/10
6/10
Height
Varies by level
13.5 inches
Trial
100 nights
120 nights
Warranty
10 years
Limited Lifetime
Shipping
Free white glove delivery
Free shipping
Key Advantages
Why Choose Beautyrest World Class (Level Three)
- Meaningful upgrade in pressure relief over the Core levels
- Best motion separation in the non-Black range
- Breathable cooling built into the comfort stack
Why Choose Brooklyn Bedding ThermoBalance LX
- Talalay latex provides natural cooling, responsiveness, and exceptional durability
- ThermoCool + ThermoPhase cooling system combined with latex's natural breathability
- More responsive and bouncy than memory foam alternatives — easy to reposition