JERFIT King Size 11" Cooling Gel Memory Foam Mattress, Dual Flex Top, Medium Firm, CertiPUR-US Certified, Grey

JERFIT Dual Flex Top Design allows independent head incline adjustment on each side for personalized comfort. Advanced 4-Layer Cooling System with copper and gel infusions dissipates heat for a cooler sleep. Bamboo Charcoal Knit Cover is breathable and helps wick away moisture while resisting odors. CertiPUR-US Certified foam ensures high-quality, safe, durable, and supportive performance. Minimized Motion Isolation technology absorbs movement, preventing sleep disruptions from a partner. Ideal for Back Sleepers with medium firmness that provides optimal spinal alignment and pressure relief. High-Density Support Core offers lasting durability and stability for the mattress structure. Compatible with adjustable bases for enhanced flexibility in finding your perfect sleeping position. Expands to Full Size within 24-48 hours after unpacking; allow time for airing and settling.