Sierra Sleep® by Ashley M31151 Millennium 2.0 Foam 12 Inch - California King Mattress - Black

Discover the luxury of this memory foam California king mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Gel memory foam and high-density support foam conform to your body, delivering pressure relief and comfort. And a green tea-infused support foam base provides enhanced stability.

Product Features

• Comfort level: firm
• Dual cooling action with phase changing material (PCM)
• High-density gel memory foam for lumbar support
• High-density body contouring support foam
• Green tea-infused base foam for added stability
• Hyper Cool luxury 4-way stretch knit cover for uniform comfort & durability
• Adjustable base compatible
• 10-year non-prorated warranty
• Note: Purchasing mattress and foundation from two different brands may void warranty; see warranty for details
• Foundation/box spring sold separately
• Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening
• State recycling fee may apply
• Made in USA