Serta iComfortPro Ambrose Firm Tight Top 13 in. King Mattress

Featuring our exclusive 5 support zones for improved spinal alignment, 100% naturally-derived* latex foam and an advanced cooling system for premium all-foam comfort.* Disclaimer: True Response™ Latex foam's primary ingredient is 100% rubber tree sap, without any fillers or synthetic additives. Serta® Serta i Comfort Pro Ambrose Firm Tight Top 13 in. King Mattress