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® Support Foam
Serta's Support Foam combines gentle cushioning with extra support, for more firmness at the sleep surface.
Additional Features
CoolFeel™ Fabric
A luxurious, breathable cover with a cool-to-the-touch sensation from technology that is plant-derived.
Serta® PillowSoft® Aire
Serta® PillowSoft® Aire- provides enhanced cushioning.
Serta® PillowSoft™ Foam
This extra-soft foam gently contours the body to provide enhanced cushioning.
CushionQuilt™ Foam
A durable foam that offers cushiony comfort and a supportive experience.
Serta® Balanced Support Foam
Serta® Balanced Support Foam gives you a supportive comfort foam.
Specifications
General
Mattress Name
Cobalt Calm
Size
Twin XL
Type
Innerspring
Series Name
Serta Perfect Sleeper
Comfort
Medium Firm
Style
Pillow Top
Sleep Sets
No
Additional Information
• CertiPUR-US Certified
• 100% USA Assembled
• Adjustable Friendly
• 100% USA Assembled
• Adjustable Friendly
Layers
Covering
• Antimicrobial Mattress Protection®
• CoolFeel™ Fabric
• Fiber Layer
• CoolFeel™ Fabric
• Fiber Layer
Comfort Layers
• PillowSoft® Aire
• Serta® PillowSoft® Foam
• Cushion Quilt™ Foam
• CoolTwist® Gel Memory Foam
• Serta® Support Foam
• Serta® PillowSoft® Foam
• Cushion Quilt™ Foam
• CoolTwist® Gel Memory Foam
• Serta® Support Foam
Support Layers
• 3-zoned Coil System
• Serta® Balanced Support Foam
• Serta® Balanced Support Foam
Coils
Coil Type
Wrapped Coil
Dimensions
Width
39 inch(es) / 99.06 cm
Height
14.5 inch(es) / 36.83 cm
Depth
80 inch(es) / 203.2 cm
Warranty
Warranty
10 year warranty
UPC
UPC#
747935948334