King Firm Hybrid 12" Mattress

Updated August 26, 2026

Condition: New Open Box Damaged?: No In Packaging?: Yes Missing Parts?: No Functional?: Yes Brand: Somnify UPC: 724766466343 Model: HD-MON2TG4 Upgrade your sleep with this firm hybrid mattress, featuring gel memory foam and individually wrapped coils for balanced support and pressure relief. Reinforced edges add stability, while motion isolation ensures a peaceful night for you and your partner. Made with OEKO-TEX and CertiPUR-US certified materials, it's hypoallergenic, breathable, and safe for sensitive skin. Arrives in a compact box for easy setup. The clean white top with gray sides brings modern style to any bedroom-comfort and quality at a great value. Color Family: Gray. Color/Finish: Gray. Comfort Level: Firm. Features: Bed-in-a-Box, Breathable, Cooling, Edge Support, Hypoallergenic, Motion Isolation. Included: Mattress. Interior Furniture Type: Mattress Toppers. Material: Memory Foam. Mattress Fill Type: Hybrid. Mattress Top: Pillow Top. Mattress Type: Mattress Only. Product Weight (lb.): 88.63 lb. Size: King. Support/Firmness Level: Firm. Total Weight Capacity (lb.): 600 lb. Mattress Thickness (in.): 12 in. Product Length (in.): 80 in. Product Width (in.): 76 in.

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