JERFIT California King 8 Inch Copper Gel Memory Foam Mattress, Medium Firm Support, Cooling Pressure Relief, CertiPUR-US Certified, Bed-in-a-Box

JERFIT Copper-Infused Gel Memory Foam enhances heat dissipation for a cooler sleep and provides responsive pressure relief. CertiPUR-US Certified foam ensures premium quality, performance, and durability without harmful chemicals. Medium Firm Feel (5-6 on a 10-scale) offers ideal balanced support for proper spinal alignment and comfort. 3-Layer Support System includes a breathable knit cover, cooling copper foam, and a high-density base. Advanced Motion Isolation minimizes sleep disturbance, making it perfect for couples. Compatible with adjustable bed frames, platforms, slatted bases, and box springs for versatile setup. Expands to 84" L x 72" W x 8" H and supports a maximum weight capacity of 750 pounds. Arrives in a compact box; requires 24-48 hours to fully decompress and air out after unboxing. Ideal for back sleepers and side sleepers seeking a supportive, contouring, and cooling sleep surface.