The Ultimate Tight Top Firm is meticulously hand-tufted for enhanced durability, structure, and long-lasting comfort. Designed for sleepers who prefer a firm, supportive feel, it features premium MemoryTouch visco foams layered over TheraSponse HD x-firm transition foam for targeted pressure relief without sink. The support core includes 1180 TheraWrap 5-Zone wrapped coils that promote proper spinal alignment and minimize motion transfer, while TheraFoam edge support maximizes usable sleep space. Finished with a breathable cover of high-fashion jacquard cotton, GOTS-certified organic wool, TheraCool Visco Gel and an iFlex patented hybrid quilt, this hand-crafted mattress delivers cooling comfort, superior stability, and lasting performance backed by a 15-year warranty.