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Casper Slate Firm All Foam King Size Mattress on a gray bed frame.
Casper Slate mattress on a bed in a modern bedroom.
A hand pressing into the textured surface of a mattress with a firmness scale overlay.
A hand pressing into the textured surface of a mattress to demonstrate firmness.
Infographic showing the layers of the Casper Slate mattress.
Close-up of blue Breathe Flex Foam with text.
Close-up of white foam material with a bubble texture.
Diagram of the mattress layers: Cozy Knit Cover, Breathe Foam, Breathe Flex Foam, and Casper Core.
Infographic showing foam construction, breathable foams, and cozy cover.
A hand pressing into a mattress surface with a firmness scale.
Side view of the Casper Slate mattress.
Front view of the Casper Slate mattress with a blue logo.
Three-quarter view of the Casper Slate mattress showing its gray sides and light gray top.
Close-up of the mattress side showing an 11-inch thickness.
Casper Slate mattress in a styled bedroom setting.
Casper

Slate Firm All Foam Twin Size Mattress

$399.97$499.97
Save $100.00

Available at

pcrichard.comBest Price
$499.97$399.97
View
jcpenney.com
$1,820.00$827.78
View

Experience a firm and supportive sleep with the Casper Slate Firm All Foam Twin Size Mattress. This all-foam mattress features Breathe Flex Foam and Casper Core technology for excellent motion isolation and a cool night's sleep. The cozy knit cover adds a touch of comfort, and the mattress is compatible with adjustable bases. Enjoy the convenience of a 90-night sleep guarantee.

  • Breathable
  • Adjustable Base Compatible
  • Easy Setup
  • 10 Year Limited Warranty
  • Spot Clean
  • Certipur-US Certified
  • Type: All Foam
  • Size: Twin
  • Comfort Level: Firm

Details

Category
Mattresses
Mattress Features
Adjustable base compatibility, Edge support, Hypoallergenic, Motion isolation, Cooling function
Coil System Type
No coils
Mattress Top Type
Tight top
Firmness
Firm
Bedding Size
Twin
Pattern
Solid
Materials
Fabric, Foam

Questions & answers

How much does it cost, and where can I buy it?
This Casper mattress is sold by 2 retailers from $399.97 to $827.78. The lowest in-stock price is $399.97. 2 of 2 listings are on sale (up to 55% off). Available at pcrichard.com and jcpenney.com.
Is it in stock?
Yes. It's in stock at 2 of 2 retailers.
What are the key features?
Key features include Breathable, Adjustable Base Compatible, Easy Setup, 10 Year Limited Warranty, and Spot Clean.
What is it made of?
It's made of fabric and foam.
What's its coil system type?
Its coil system type is no coils.
What's its firmness?
Its firmness is firm.