Casper One Foam Mattress


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Why You’ll Love It

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  • adjustable friendly

    Upgrade to better sleep— elevate your support and discover the perfect mattress with adjustable bed base compatibility.

  • bed in a box

    Where comfort meets convenience and gets delivered to your doorstep— who says you can’t have it all?

  • memory foam

    With a targeted response to body weight, contouring quality, and hypoallergenic design— brighter mornings await.


Responsive yet supportive with an ideal medium-firm feel, the Casper One Foam Mattress is perfect for those who loved The Casper and Original models. Body-cradling and cozy with a four-layer design, this all foam mattress features an airy, buttery-soft knit fabric cover above Breathe Flex Foam engineered to relieve pressure and maximize airflow with an open-cell construction. Along with the durable Casper Core foam base for resilience and stabilization, a layer of Align Memory Foam contours and adapts, allowing you to stay comforted throughout the night. 

  • Comfort: Medium Firm
  • Cozy Cover: Buttery-soft and airy knit blend fabric enhances comfort and coziness at the surface.
  • Breathe Flex Foam (Comfort Layer): A responsive, breathable, open-cell polyurethane foam layer provides the perfect bounce and allows higher airflow for soothing comfort.
  • Align Memory Foam (Comfort Layer): Memory foam layer relieves pressure points and cradles your body to help you stay asleep.
  • Casper Core (Support Layer): Firm and durable polyurethane foam base delivers long-lasting support while preventing sinking and sagging.
  • All CertiPUR-US® certified foams made without ozone-depleting chemicals and are regulated by the Consumer Product Safety Commission Low VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million).
  • Adjustable friendly foam mattress
  • Twin Size Dimensions: 38" W x 75" L x 11” H
  • Twin XL Size Dimensions: 38" W x 80" L x 11” H
  • Full Size Dimensions: 53" W x 75" L x 11" H
  • Queen Size Dimensions: 60" W x 80" L x 11" H
  • King Size Dimensions: 76" W x 80" L x 11" H
  • Cali King Size Dimensions: 72" W x 84" L x 11" H
  • Properly guard your mattress against dirt, spills, and more by topping it with Cariloha’s Bamboo Waterproof Mattress Protector
  • Warranty: 10 year limited
  • Imported
Perfect timing...couldn't be more happy with the delivery of my daughters new bed. Jay Weingart