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Casper

The One

Spec-Based Review - we have not hands-on tested this product

Registry source: https://casper.com/products/casper-one-foam · Price as of 2026-10-31 · Last verified 2026-10-31. Manufacturer descriptions are attributed to Casper.

Verified ownership

Brand owned by Carpenter Co. (since Oct 2024; previously Durational Capital Management via Marlin Parent, Jan 2022-Oct 2024); trademark held by Casper Sleep Inc. (verified 2026-10-31).

Operated by Casper Sleep Inc.

Sources: USPTO: CASPER, Reg. No. 4762027 (Serial 86976148) — owner Casper Sleep Inc. (Delaware corporation); also USPTO certificate Reg. No. 6834200 naming the same owner. · Brand's own Privacy Policy (eff. 2026-10-05, casper.com/pages/privacy-policy): services 'owned and operated by Casper Sleep Inc.' Parent chain from primaries: SEC Form 8-K (Jan 25, 2022) — Casper survived its merger as a wholly owned subsidiary of Marlin Parent, Inc. (Durational Capital vehicle); Carpenter Co.'s own history page (carpenter.com/about/history): 'Casper Sleep Inc. became a subsidiary of Carpenter in October 2024.'

Registry record

model
The One
brand
Casper
sizes
Twin, Twin XL, Full, Queen, King, California King, Split King
price brand site
1074
price retailer
Not recorded
price as of
2026-10-31T00:00:00.000Z
price source
https://casper.com/products/casper-one-foam
spec summary
Casper's core all-foam mattress; manufacturer rates it medium-firm.
spec fields
Height 11". Per manufacturer: three foam layers. Queen price $1,074 (Comp Value $1,149) on casper.com; Twin $874 / Full $974 / King $1,948.
trial days
100
return cost
Free
return notes
Free returns after the 30-Night Adjustment Period (casper.com).
delivery terms
Free shipping (casper.com).
warranty years
10
warranty notes
10-year limited warranty (casper.com).
certifications
Not recorded
rating value
Not recorded
rating count
Not recorded
rating source
Not recorded
rating as of
Not recorded
value signal
Not recorded
signal parts
Not recorded
slug
casper-the-one
spec completeness
Not recorded
last verified
2026-10-31T00:00:00.000Z
active
true
fire barrier type
Not recorded
fiberglass status
Not recorded
era from
Not recorded
era to
Not recorded
era source
Not recorded
manufacturer reg
Not recorded
price history
2026-10-31: $1074 (brand site, Queen)
category
Mattresses

Value Signal & method

No Value Signal published. · Five component parts have not been published. The signal compares registry fields within this category only. Commission is never an input. Source: BTQ_Products · 2026-10-31.

CPSC recall record

No model-specific CPSC check record is available. Absence of a notice here does not confirm a completed recall search.

Reference Price Check

The snapshot window is still being collected.

No model-specific price statistics have been published. The Reference Price Check will state the days collected and the share of the observed window at the advertised price, up to 180 days.

Published terms archive

Casper · Snapshot 2026-10-31 · Source: https://casper.com/products/casper-one-foam

“100-night trial (casper.com).”
“Free shipping and free returns; returns follow a 30-Night Adjustment Period before a return can be initiated.”
“10-year limited warranty (casper.com).”

Change in published terms: First snapshot - no prior to diff.. This does not describe a change to an individual buyer’s contract.

BigTicketIQ is a data and comparison service, not a medical or professional service. We do not diagnose conditions and we do not recommend a product for your health or safety. Manufacturer descriptions are shown attributed to the manufacturer. How a product suits your body, health, or home is a question for a licensed professional.