4 LAYERS OF COMFORT - Crafted from high-quality cooling gel memory foam, high-density support foam and aerated latex, the 11” GhostBed Classic merges luxury and durability to help you get amazing sleep WAKE UP FEELING REFRESHED - High-density foam core supports spinal alignment, alleviates hip and back pain, and relieves stiffness; it’s soft, supportive and springy - but with minimal motion transfer PERFECT FOR ALL SLEEPERS - With its balanced, medium-firm feel, the GhostBed Classic is a great option for sleepers of all types: stomach, back, side and combo CERTIPUR-US CERTIFIED - Sleep soundly knowing you’re snoozing on CertiPUR-US certified materials MADE IN THE USA - All GhostBed mattresses, including the GhostBed Classic, are made in the USA with the highest quality materials