Features
Cool Twist™ Gel Memory Foam
This breathable, liquid-gel infused memory foam gently conforms to the body for enhanced cushioning and to help reduce pressure points that cause tossing and turning. Also, enhanced airflow helps to aid with heat and moisture dissipation through the mattress.
Serta® PillowSoft™ Foam
This extra-soft foam gently contours the body to provide enhanced cushioning.
Serta® Support Foam
Serta's Support Foam combines gentle cushioning with extra support, for more firmness at the sleep surface.
Serta® Balanced Support Foam
Serta® Balanced Support Foam gives you a supportive comfort foam.
Serta® PillowSoft® Aire
Serta® PillowSoft® Aire- provides enhanced cushioning.
CoolFeel™ Fabric
A luxurious, breathable cover with a cool-to-the-touch sensation from technology that is plant-derived.
CushionQuilt™ Foam
A durable foam that offers cushiony comfort and a supportive experience.
Specifications
General
Mattress Name
Cobalt Calm
Size
California King
Type
Innerspring
Series Name
Serta Perfect Sleeper
Comfort
Plush
Style
Pillow Top
Sleep Sets
No
Additional Information
• CertiPUR-US Certified
• 100% USA Assembled
• Adjustable Friendly
• 100% USA Assembled
• Adjustable Friendly
Layers
Covering
• CoolFeel™ Fabric
• Fiber Layer
• Quilt Loft™ Foam
• Fiber Layer
• Quilt Loft™ Foam
Comfort Layers
• PillowSoft® Aire
• CoolTwist® Gel Memory Foam
• DeepReaction™ Memory Foam
• CoolTwist® Gel Foam
• CoolTwist® Gel Memory Foam
• DeepReaction™ Memory Foam
• CoolTwist® Gel Foam
Support Layers
• 3-zoned Coil System
• Serta® Balanced Support Foam
• Serta® Balanced Support Foam
Dimensions
Width
72 inch(es) / 182.88 cm
Height
15 inch(es) / 38.1 cm
Depth
84 inch(es) / 213.36 cm
Warranty
Warranty
10 year warranty
UPC
UPC#
747935947108