Casper Cloud One King Mattress
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The Casper Cloud One is Casper's entry-level all-foam mattress, sold here in a king size. It uses a single layer of breathable polyurethane foam over a supportive base, with a soft, sink-in feel rather than the firmer support of Casper's higher lines. The king is priced at $1,288.99 at The Home of Foam Mattress Superstore as of November 8, 2026, and only one store lists it new, so there is little price competition to compare against.
In stock
Lowest price we've seen: $1,288.99 on Nov 8 at The Home of Foam Mattress Superstore. Tracked across 1 store since Nov 8.
Owner feedback on the Cloud One centers on its soft, hugging feel and good motion isolation, with the main complaints being heat retention and weak edges.