Serta iComfort Nappa Firm Smooth Top King Mattress

Experience robust firmness with the Serta iComfort Nappa Firm Smooth Top Mattress, a leading best mattress for 2025. Encased in CoolFeel™ Fabric for enhanced airflow, this firm mattress features 1″ Perfect Conform™ Graphite Memory Foam and 1″ iComfort™ Gel Memory Foam for a supportive sleep surface. Built on a 6″ Serta® Foam Core and reinforced with 2″ Support Foam and 1.5″ 5-ZoneResponse™ Foam, it offers exceptional stability for back and stomach sleepers.

• Wrapped in CoolFeel™ Fabric for superior breathability and temperature control.
• Includes 1″ Perfect Conform™ Graphite Memory Foam for adaptive firmness.
• Features 1″ iComfort™ Gel Memory Foam for cooling support.
• Enhanced with 1.5″ 5-ZoneResponse™ Foam for targeted body alignment.
• Supported by a sturdy 6″ Serta® Foam Core for durable stability.
• Incorporates 2″ Support Foam for added structural integrity.