Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Beautyrest Black K-Class
Zenhaven Latex Mattress
Comfort
9.5/10
9.1/10
Support
8.8/10
9.2/10
Cooling
9.3/10
9.3/10
Edge Support
9.2/10
8.4/10
Motion Isolation
9/10
8/10
Durability
9.3/10
9.6/10
Value
8/10
8.3/10
Quick Specs Comparison
Spec
Beautyrest Black K-Class
Zenhaven Latex Mattress
Price (Queen)
$3,499
$3,124
Type
Hybrid (Pillow Top)
Latex
Firmness
4/10
5/10
Height
16.5 inches
10 inches
Trial
100 nights
365 nights
Warranty
10 years
Lifetime
Shipping
Free white glove delivery
Free white-glove in-room delivery, setup, and old mattress removal
Key Advantages
Why Choose Beautyrest Black K-Class
- Incredibly plush pillow-top comfort
- BlackICE 4.0 cooling on BOTH sides
- 16.5" height — most luxurious profile
Why Choose Zenhaven Latex Mattress
- Genuinely flippable: two distinct firmness levels in one mattress, so a wrong firmness guess is fixable at home
- All-latex build with zero polyurethane or memory foam — the most durable comfort material sold at scale
- 5-zone Talalay with vented channels gives lumbar reinforcement plus the best breathability of any bed we test