Experience the firm, cool sleep you’ve been looking for with the Diamond Tundra Copper Gel Firm Hybrid Mattress. Built with Copper Gel memory foam for natural antimicrobial protection and temperature regulation, this firm hybrid mattress offers contouring relief without sinkage. Its high-density coil support system promotes spinal alignment and minimizes motion transfer — ideal for sleepers who need firmer support and better posture.
Best For
Back and stomach sleepers, hot sleepers, and those who prefer a firm mattress with cooling technology and coil support. Excellent for people with lower back pain or couples seeking motion isolation.
Key Features
- Firm Comfort Level: Minimal sink-in and maximum support for proper spinal alignment and back pressure relief.
- Cool Copper Gel Memory Foam: Infused with antimicrobial copper to reduce heat and bacteria buildup.
- Responsive Coil System: Individually wrapped coils provide edge support and zoned comfort for all body types.
- Motion Isolation: Pocket coils limit partner disturbance for undisturbed sleep.
- Edge-to-Edge Reinforcement: Stable perimeter support allows full mattress use without sagging.
- CertiPUR-US® Certified: Made with safe, eco-conscious, and non-toxic foams.
- Adjustable Base Compatible: Pairs easily with adjustable foundations offered at LA Mattress Store.
- 20-Year Limited Warranty: Quality craftsmanship from Diamond Mattress, made in California.
Why Choose the Tundra Firm Hybrid Mattress?
The Diamond Tundra Firm Hybrid Mattress is ideal for sleepers who need a sturdy, cooling sleep solution with orthopedic-grade support. It’s breathable, pressure-relieving, and built to keep you aligned and well-rested night after night.
