Features
Serta® Balanced Support Foam
Serta® Balanced Support Foam gives you a supportive comfort foam.
Serta® Support Foam
Serta's Support Foam combines gentle cushioning with extra support, for more firmness at the sleep surface.
Specifications
General
Mattress Name
Cobalt Calm
Size
King
Type
Innerspring
Series Name
Serta Perfect Sleeper
Comfort
Firm
Style
Tight Top
Sleep Sets
Yes
Additional Information
• CertiPUR-US® Certified
• 100% USA Assembled
• 100% USA Assembled
Layers
Covering
Antimicrobial Mattress Protection
CoolFeel™ Fabric
Comfort Layers
• Fiber layer
• Serta® Support Foam
• Serta® Support Foam
• CoolTwist® Gel Memory Foam
• Serta® Support Foam
• Serta® Support Foam
• Serta® Support Foam
• CoolTwist® Gel Memory Foam
• Serta® Support Foam
Support Layers
• 3-zoned Coil System
• Serta® Balanced Support Foam
• Serta® Balanced Support Foam
Dimensions
Width
76 inch(es) / 193.04 cm
Height
12 inch(es) / 30.48 cm
Depth
80 inch(es) / 203.2 cm
Warranty
Warranty
10 years warranty