Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
King Koil Reserve Luxury
Zenhaven Latex Mattress
Comfort
9.3/10
9.1/10
Support
8.8/10
9.2/10
Cooling
8.4/10
9.3/10
Edge Support
8.7/10
8.4/10
Motion Isolation
8.3/10
8/10
Durability
9/10
9.6/10
Value
7.4/10
8.3/10
Quick Specs Comparison
Spec
King Koil Reserve Luxury
Zenhaven Latex Mattress
Price (Queen)
$3,799
$3,124
Type
Luxury Pillow-Top Hybrid
Latex
Firmness
5.5/10
5/10
Height
15 inches
10 inches
Trial
120 nights
365 nights
Warranty
10 years
Lifetime
Shipping
White glove delivery through retail partners
Free white-glove in-room delivery, setup, and old mattress removal
Key Advantages
Why Choose King Koil Reserve Luxury
- Genuinely plush pillow-top with natural fiber quilting
- Hand-tufted construction resists body impressions over time
- Strong pressure relief for side sleepers
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