Serta iComfort Pro Winchester Firm King Mattress

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.

Eco-friendly and locally crafted, this Serta Mattress, proudly made in Canada, delivers premium comfort with a commitment to sustainability right in your neighborhood. Sleep soundly on a mattress that cares for both you and the environment.

Serta iComfort Pro Winchester Firm King Mattress

Eco-friendly and locally crafted, this Serta Mattress, proudly made in Canada, delivers premium comfort with a commitment to sustainability right in your neighborhood. Sleep soundly on a mattress that cares for both you and the environment.

Serta iComfort Pro Winchester Firm King Mattress

Serta iComfort Pro Winchester Firm King Mattress

How do I place an order?
Add items to your cart, enter your details, choose payment and shipping, then submit. If something's out of stock, we'll contact you immediately with options.

When will I get my order?
We'll confirm your delivery date once your order is ready. Deliveries are Monday-Friday, 10AM-5PM. If you're not home, we'll leave instructions for redelivery.

How is my order delivered?
We use trusted carriers like Canpar, Purolator, FedEx and UPS. Larger items ship via freight. Use our shipping calculator for rates and timing, or contact us for details.

What's the warranty?
1-year manufacturer warranty from delivery date, covering defects in materials and workmanship. Contact us if any issues arise.

Can I cancel my order?
Yes, if it hasn't shipped from the supplier yet. Contact us ASAP - there may be a 25% restocking fee depending on timing.

What's your return policy?
Returns accepted within 5 days. Cancelled orders may incur a 25% restocking fee. Shipping charges aren't refundable.

Do you have a showroom?
No, we're online-only. This lets us offer better prices and deliver anywhere in Canada.