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Sleep Number Ultimate 12 mattress on a bed with white pillows in a bedroom.
Sleep Number Ultimate 12 mattress top shown flat, showing fabric texture.
Close-up of the light gray patterned fabric of the mattress.
Sleep Number

Sleep Number Ultimate 12" Mattress

$2,299.99

Available at

costco.comBest Price
$2,299.99
View

The Sleep Number Ultimate 12" Mattress is an adjustable mattress designed for personalized comfort. It features breathable 3D fabric and plush supportive foam layers with advanced ceramic gel to dissipate heat, ensuring a cool and balanced sleep environment. The mattress allows for individual firmness settings on each side, automatically responds to movements to adjust support, and tracks sleep quality via a SleepIQ® score with personal insights. This set includes two Sleep Number Smart Remotes for easy adjustment.

  • Breathable 3D Fabric with Plush Supportive Foam Layers Featuring Advanced Ceramic Gel to Dissipate Heat
  • Adjustable Comfort and Firmness on Each Side—Your Sleep Number® Setting
  • Responds to Your Movements and Automatically Adjusts Firmness on Each Side
  • Shows Sleep Quality—Your SleepIQ® Score—with Personal Insights for Better Sleep
  • Includes Two Sleep Number Smart Remotes

Details

Category
Mattresses
Water Chamber Configuration
Dual
Bedding Size
Queen, King
Memory Foam Infusion Material
Cooling gel
Coil System Type
No coils
Pattern
Texture
Mattress Features
Cooling function
Materials
foam, ceramic gel

Questions & answers

How much does it cost, and where can I buy it?
This Sleep Number mattress is sold by 1 retailer for $2,299.99. Available at costco.com.
Is it in stock?
Yes, it's currently in stock.
What are the key features?
Key features include Breathable 3D Fabric with Plush Supportive Foam Layers Featuring Advanced Ceramic Gel to Dissipate Heat, Adjustable Comfort and Firmness on Each Side—Your Sleep Number® Setting, Responds to Your Movements and Automatically Adjusts Firmness on Each Side, Shows Sleep Quality—Your SleepIQ® Score—with Personal Insights for Better Sleep, and Includes Two Sleep Number Smart Remotes.
What is it made of?
It's made of foam and ceramic gel.
What's its coil system type?
Its coil system type is no coils.
What's its mattress features?
Its mattress features is cooling function.