Experience luxurious sleep with the Beautyrest Black Series Four California King Mattress. Designed for ultimate comfort, this mattress features advanced cooling technology, Micro Diamond Memory Foam, Self-Response Latex, and Triple-Stranded Pocketed Coil Technology for individualized support and motion separation. The inclusion of 4K Nano Coils ensures enhanced conformability, offering unparalleled body support. Premium foams, including gel memory foam and latex, provide immediate pressure relief and responsive support, helping to move heat away from your body for a cooler sleep. The firm pillow top and 17.5-inch thickness offer a perfect balance of comfort and support, making it ideal for those seeking a restful night's sleep.

Features:

• Triple-Stranded Pocketed Coil® Technology for superior motion separation
• Gel memory foam for immediate pressure relief
• Micro Diamond Memory Foam for temperature regulation
• Self-Response Latex for responsive pressure relief
• 4K Nano Coils for enhanced body-conforming support
• Cooling technology with phase change material
• Moisture-wicking and breathable construction
• Compatible with adjustable bed bases
• Firm pillow top with edge support
• 10-year limited warranty

Specifications:

• Mattress size: California King (72'' W X 83.5'' L)
• Mattress thickness: 17.5"
• Comfort level: Firm
• Mattress type: Innerspring with memory foam
• Low motion transfer
• Spot clean only
• Weight capacity: 1,000 lbs