• Casper mattress in a room setting with CR Consumer Reports logo.
  • Hand on a mattress labeled 'Medium Firm' with text 'Feels responsive & lively'.
  • Person lying on a bed with text describing mattress features
  • Mattress with labeled layers on a bed frame, highlighting foam types.
  • Casper mattress on a white background
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Casper The One

Casper The One

$699.00
$874.00 $699.00
Sale Sold out

Medium-firm all-foam comfort with breathable, pressure-relieving layers and dependable support at an approachable price.

Our Comfort Estimate Medium-Firm
Extra Soft Extra Firm

Comfort perception varies by sleeper.

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PERSONALIZED COMFORT

Best For

  • Back and stomach sleepers
  • Sleepers who prefer a medium-firm feel
  • Couples seeking dependable motion isolation
  • Value-conscious shoppers wanting affordable Casper comfort
Bedding size
✓
120-Day Pricing Promise Shop confidently knowing your purchase is protected by our local pricing promise. View pricing promise
Need help choosing the right mattress?

Our friendly, no-pressure Sleep Consultants are here to help.

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✓ Free local delivery and setup

✓ Complimentary old-bedding haul-away

✓ Delivered by Sleep Center employees

Construction and Materials

  • Durable, High-Quality Foam Construction
    This Casper bed uses premium foam materials engineered for long-lasting performance, making it a reliable choice if you’re looking for a durable memory foam mattress that won’t lose its shape.
  • Cooling, Breathable Design
    Unlike traditional memory foam beds, this cooling Casper mattress features breathable layers that promote airflow and help regulate temperature—ideal for hot sleepers seeking a cooler sleep surface.
  • Pressure Relief + Spinal Support
    The multi-layer foam design cushions pressure points while maintaining proper spinal alignment, making this medium-firm memory foam mattress a great option for back sleepers, side sleepers, and combination sleepers.

Cooling Features

  • Breathable open-cell foam promotes airflow through the mattress.
  • A breathable knit cover helps reduce heat buildup at the sleep surface.
  • The all-foam design balances contouring comfort with everyday temperature regulation.

Mattress Specifications

  • Mattress type: All-foam
  • Comfort feel: Medium-firm
  • Profile height: 11 inches
  • Support system: Three-layer supportive foam construction
  • Comfort layers: Pressure-relieving breathable foam
  • Motion isolation: All-foam construction helps reduce partner disturbance
  • Edge support: Standard foam perimeter
  • Adjustable-base compatible: Yes
  • Foundation compatibility: Supportive platform, foundation or adjustable base
  • Warranty: 10-year limited warranty

In-Home Trial

Sleep at home to make sure your new mattress is the
right fit. Your 100 Night in-home comfort trial begins when your mattress is delivered.

Please allow your body adequate time to adjust to the
new mattress. Eligibility requirements, exclusions and other guidelines apply. Contact The Sleep Center before initiating an exchange so our team can guide you through the process.

Delivery, Setup and Haul-Away

Enjoy free local delivery and professional setup with qualifying mattress purchases of $699 or more within our local delivery area. Our own Sleep Center employees will deliver and set up your new bedding—not a third-party delivery company, unless you are out of our normal delivery zone.

We can also provide complimentary haul-away of your old bedding with a qualifying delivery. Guidelines and geographic limitations apply.

Warranty Information

Casper mattresses include warranty protection subject to Casper’s applicable terms, conditions and exclusions. View the complete Casper warranty for coverage details and claim instructions.

Financing Options

The Sleep Center makes purchasing your new mattress more affordable with convenient financing through Synchrony Bank. Qualified applicants may have access to promotional financing options, including 0% interest for up to 60 months. Explore financing options.

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Why buy from The Sleep Center?

  • Friendly, No-Pressure Guidance

    Our knowledgeable Sleep Consultants take the time to understand your comfort preferences and help you compare mattresses without pressure. We are not satisfied until you are!

  • Local Delivery by Our Team

    Your mattress is delivered, set up and handled with care by Sleep Center employees—not an unfamiliar third-party delivery company, in our normal delivery zone. Free local delivery with any qualifying purchase!

  • Customer-Friendly Policies

    Shop confidently with our 120-Day Pricing Promise. If a qualifying competitor advertises an identical or comparable mattress for less, we’ll beat their price. We also offer friendly exchange policies with no exchange fees when applicable. Guidelines and exclusions apply.
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