Serta iComfort Pro Winchester Firm King Mattress
Description
Enjoy firm support with the Serta iComfort Pro Winchester Firm Mattress (850003381), a standout choice for the best mattress in 2025. Encased in CoolFeel™ Pro Fabric with Serta® Anti-Microbial Fibre Technology for optimal airflow, this firm mattress integrates 1″ Graphite Infused True Response™ Latex Foam with 1″ Serta® PillowSoft Foam for responsive comfort. Built on a 6″ True Response™ Latex Foam Core and reinforced with 2″ Support Foam, it delivers exceptional stability and alignment, perfect for back and stomach sleepers.
- Wrapped in CoolFeel™ Pro Fabric and Serta® Anti-Microbial Fibre Technology for superior breathability and hygiene.
- Includes 1″ Graphite Infused True Response™ Latex Foam for adaptive support.
- Features 1″ Serta® PillowSoft Foam for added comfort.
- Enhanced with 2″ True Response™ Latex Foam for firm pressure relief.
- Supported by a durable 6″ True Response™ Latex Foam Core for long-term stability.
- Incorporates .5″ Quilted Latex and .5″ Support Foam for additional structure.
Additional information
| Brand | Serta |
|---|---|
| Collection | iComfort Pro |
| Length | 76 in (193.04 cm) |
| Width | 79.5 in (201.93 cm) |
| Height | 12.5 in (31.75 cm) |
| Mattress Comfort |
Indulge in the ultimate sleeping experience with our eco-friendly mattress, carefully crafted in Canada with a focus on sustainability. Not only will you be treated to unparalleled comfort, but you'll also be supporting local communities and reducing your environmental footprint. Sleep peacefully, knowing you're making a positive impact on both your well-being and the planet 
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