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Firmness Scale: 4 – Supportive with minimal sink‑in, promoting proper alignment and a more structured sleep feel.
The Belterra Firm Mattress is designed for sleepers who prefer a supportive, comfort‑firm feel with minimal sink‑in and dependable pressure relief. With a 14.25” profile and an adjustable‑base friendly design, this mattress delivers structured support paired with modern cooling technologies for restorative, all‑night comfort.
Firm Support with Lumbar Alignment
A dedicated Visco Gel Lumbar Support layer enhances proper spinal alignment while providing additional lower‑back relief. This targeted support promotes healthy posture and helps reduce pressure in key areas—ideal for back and stomach sleepers or anyone who prefers a firmer sleep surface.
Cooling Comfort for Restful Sleep
Advanced comfort layers work together to regulate temperature and maintain a cool sleeping environment:
- Visco Gel Memory Foam dissipates body heat and moisture while providing subtle contouring
- Cooling Gel Foam helps maintain a consistently cool mattress surface
- Cool‑Touch quilted cover delivers a refreshing feel the moment you lie down
Supportive Core with Motion Isolation
At the core of the Belterra Firm is an 884 densified individually wrapped coil system, engineered to:
- Conform to individual body contours
- Reduce motion transfer and partner disturbance
- Deliver stable, responsive support throughout the night
A surrounding foam encasement system reinforces the mattress perimeter, offering reliable edge‑to‑edge comfort and support while maximizing usable sleep surface.
Quilted Cover Construction
The premium quilted cover includes:
- Sleep‑Safe Fiber Barrier
- Dual layers of HD firm foam for durability and added surface stability
Key Features at a Glance
- Comfort‑firm support feel
- 14.25” profile (+/‑)
- Adjustable base friendly
- Visco Gel Lumbar Support for spinal alignment
- Individually wrapped coils for motion isolation
- Foam encasement for edge‑to‑edge support
- Cooling gel foams and cool‑touch fabric
The Belterra Firm Mattress is an excellent choice for sleepers seeking firm, supportive comfort with cooling performance and targeted lumbar support—built for consistent alignment and long‑lasting durability.