Rally 3 Firm Cooling Foam Mattress
Best cooling hybrid for hot sleepers needing orthopedic pressure relief.
The Diamond Mattress Rally 3 is a 12-inch, plush-feel cooling hybrid mattress engineered to provide a weightless sensation combined with robust orthopedic support. It features Hyper-conductive Copper Bounce Foam and Responsive Gel Memory Foam for precise body contouring and temperature management. This hybrid construction incorporates individually wrapped coils, enhancing breathability, comfort, and overall support structure. The mattress is finished with a sleek, high-performance cooling fabric cover, making it an excellent choice for those seeking pressure relief and a cool sleep surface.
$1299.00
Owner Satisfaction
4.4
/ 5
Category Rank
2392
/ 6148
#2392 in Mattresses
Price vs Category Average
-22%
Below average
Type
Hybrid (Foam & Spring)
/ Hybrid (Foam & Spring)
Who it's for
- Targeted Spinal Support
- Consistent Temperature Regulation
- Superior Motion Isolation
Who should skip it
- Limited Side Sleeper Comfort
- Weaker Edge Support
- Slower Response Time
Key Specs
Type
Hybrid (Foam & Spring)
Thickness
12 inches
Comfort Level
Plush
Foam Certification
CertiPUR-US® Certified HD Foam
Coil System
Individually Wrapped Coils
Available Sizes
Twin, Twin XL, Full, Queen, King, CA King
Foundation Options
8-inch Standard, 4-inch Low, 2-inch Ultra Low
Origin
Made in the USA
Features
- Delivers weightless feel combined with orthopedic support
- Utilizes Copper Bounce Foam for advanced cooling properties
- Responsive Gel Memory Foam ensures precise body contouring
- Compatible with adjustable bases
- Made in the USA
What customers say
Customers consistently praise the Rally 3 for delivering on its promise of a truly firm sleep surface, making it an excellent choice for back and stomach sleepers needing robust support. The cooling technology is frequently highlighted as a significant benefit, effectively managing temperature throughout the night and preventing overheating. Reviewers feel this mattress offers substantial quality and durability, justifying the investment for those prioritizing a cool, supportive rest.
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