The Rally Sleep Firm Mattress features responsive memory foam with graphite-infused cooling technology to help maintain a comfortable temperature all night. With its supportive foam base and firm comfort level, this firm memory foam mattress promotes proper spinal alignment and is ideal for sleepers who need extra support without sacrificing pressure relief.
Best For
Back sleepers, stomach sleepers, and anyone seeking a cooling firm foam mattress that offers orthopedic support and lasting durability. Excellent for reducing lower back pain and overheating.
Key Features
- Firm Comfort Level: Provides solid, structured support without excessive sinkage — ideal for spinal alignment.
- Graphite-Infused Cooling Foam: Absorbs heat and disperses it away from the body for cooler, more restful sleep.
- Responsive Support Core: High-density foam base resists sagging and delivers long-term support.
- Motion Isolation: Limits movement across the mattress for undisturbed sleep.
- Hypoallergenic & Non-Toxic: CertiPUR-US® certified foams with no harmful chemicals or off-gassing.
- Adjustable Base Compatible: Fully flexible and ideal for power base setups sold at LA Mattress Store.
- Made in California: Handcrafted by Diamond Mattress using eco-conscious materials.
- 20-Year Limited Warranty: Built to last and backed by a long-term performance guarantee.
Why Choose the Rally Sleep Firm Mattress?
If you’re looking for a firm memory foam mattress for back pain that also sleeps cool and provides pressure relief, the Rally Firm is a solid choice. Its graphite infusion helps regulate body heat, while the supportive foam core maintains proper posture all night long.