Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Kluft Beyond Luxury Sublime
Sleep Number Climate360
Comfort
9.6/10
9.5/10
Support
9.2/10
9.5/10
Cooling
9/10
9.8/10
Edge Support
9.4/10
8.5/10
Motion Isolation
9.3/10
9.6/10
Durability
9.4/10
9.2/10
Value
8/10
7/10
Quick Specs Comparison
Spec
Kluft Beyond Luxury Sublime
Sleep Number Climate360
Price (Queen)
$8,999
$6,999
Type
Hand-Tufted Luxury Hybrid
Air Chamber Hybrid
Firmness
5/10
5/10
Height
15 inches
13 inches
Trial
Retailer-dependent; Bloomingdale's typically offers returns within 30 days
100 nights
Warranty
10-year non-prorated
15 years
Shipping
White-glove delivery through retailers
In-home delivery & setup
Key Advantages
Why Choose Kluft Beyond Luxury Sublime
- Plushest feel in the ultra-luxury tier — genuine grand-hotel sink
- Hand-tufted cashmere cover with wool, horsetail and latex comfort layers
- Micro-coil over pocket-coil support keeps the plush surface from bottoming out
Why Choose Sleep Number Climate360
- Active cooling AND heating — 30° range each side
- Most advanced consumer smart bed available
- Ultimate contouring support (13")