26 mattresses, compared on the same axes

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

A Bonnell-spring core under a high-density foam comfort layer. We cut a sample from production stock and measured the foam at 31.4 kg/m³ against a D30 claim — the core is denser than the label promises, not thinner.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Elsa's mid-range pocket-spring build. Measured at 29.8 kg/m³ against a D30 claim — inside tolerance, so the badge stands.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

A plain high-resilience foam slab with a quilted cover. Ambassador states D24; we have not yet cut a sample, so that figure is the factory's and is shown as theirs.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.

Part of the curated range. Canonical attributes are normalised from the manufacturer's own grade codes so this unit compares directly against every other listing.