Memory Foam Hybrid · Medium · 11.5" research

30-second evidence brief

Bottom line

Medium 11.5 inches Saatva Memory Foam Hybrid; other feels and heights may perform differently.

Quick mattress answers

What the research suggests

Reported
Results vary
Not enough public information

Reported

Sleep positionSide

One-month home test by a 150–155-pound side sleeper plus four additional panelists and a kettlebell/wineglass motion…

Results vary

Body rangeNot enough public information

The reviewed sources do not provide a clear body-weight finding for this mattress.

Reported

CoolingResults vary

Tom's Guide's 2026 test panel rated its Twin sample about 6.5/10 overall, reported good cooling and responsiveness, and…

Results vary

Motion isolationResults vary

Tom's Guide's 2026 test panel rated its Twin sample about 6.5/10 overall, reported good cooling and responsiveness, and…

Reported

Support designAirCradle memory foam

The current direct model lists a 1.5-inch waved AirCradle memory-foam layer above the lumbar crown.

Reported

Published feelMedium

A label is not an independent whole-mattress measurement.

BuildMemory-foam and pocket-coil hybrid Profile11.5 inches SourcesLinked below

Evidence suggests it may suit

People seeking memory-foam contour with a more responsive coil base.

Shoppers comparing a current direct model with clearly separated QVC or Costco retailer records.

Evidence suggests checking first

The order of the AirCradle layer and lumbar crown changed after the 2023 independent test generation.

A previously published 4 lb/ft³ AirCradle density was not found in the current primary specifications and is treated as unverified.

Retailer-channel naming does not prove identical or distinct construction.

Research synthesis · no Nappedia physical testRead the full conclusion ↓

Editorial reconstruction of a cut-open mattress representing hybrid construction for Memory Foam Hybrid Mattress · Medium · 11.5" — **Research-based reconstruction:** The cut-open image represents the documented hybrid construction and the adjacent list follows the cited public construction record. The illustration does not claim an unpublished thickness or exact visual proportion. Layer thicknesses, colors, and visual proportions are schematic. Localized lumbar components are not separately visible. This is not a teardown or physical inspection by Nappedia.

Scope before conclusions

This page covers the exact database record “Memory Foam Hybrid Mattress — Medium — 11.5".” A documented option within this mattress model. Other heights or comfort choices remain on the same page unless the brand markets them under a different mattress name. Family-level evidence is used only where the public sources describe a shared construction; exact-configuration evidence is labeled separately. Nappedia has not slept on, opened, or laboratory-tested this mattress.

Editorial synthesis

Evidence behind the conclusion

Analysis

Medium 11.5 inches Saatva Memory Foam Hybrid; other feels and heights may perform differently.

Memory Foam Hybrid Mattress, Medium, 11.5" is documented as memory-foam hybrid with a medium feel and 11.5 inches profile. The page uses the current or historical documents listed below. Independent findings appear only when the tested version is identified; missing results are marked as unknown.

Who the cited evidence may support

These are research signals, not a comfort guarantee.

People seeking memory-foam contour with a more responsive coil base.
Shoppers comparing a current direct model with clearly separated QVC or Costco retailer records.

What to check before choosing

These limitations may change whether the mattress fits.

The order of the AirCradle layer and lumbar crown changed after the 2023 independent test generation.
A previously published 4 lb/ft³ AirCradle density was not found in the current primary specifications and is treated as unverified.
Retailer-channel naming does not prove identical or distinct construction.
Verify the exact Medium / 11.5 inches configuration before relying on family-level findings.

Confidence statement

High confidence in the configuration identity and current public dimensions; medium confidence in the published construction; performance confidence depends on whether a source tested this exact configuration.

Identity and core facts

At a glance

Exact record: OfficialMemory Foam Hybrid Mattress — Medium — 11.5"
Imported source label: Memory Foam Hybrid Mattress — Medium — 11.5"
¹
Type: OfficialMemory-foam and pocket-coil hybrid
Memory-foam hybrid
^{1, 2}
Brand firmness: OfficialMedium
A label is not an independent whole-mattress measurement.
^{1, 2}
Profile: Official11.5 inches^{1, 2}
Sizes located: OfficialTwin; Twin XL; Full; Queen; King; Split King; Cal King¹
Record status: OfficialCurrent on brand site
Record type: Configuration. Exact-name support: documented in the reviewed source set.
^{1, 2}
Research method: AnalysisDocuments and attributed independent sources; no Nappedia physical test^{1, 2}

Top to bottom

Published construction

This architecture is normalized from public documents. It is not our teardown, and it does not convert brand claims into verified composition.

01
Official
Quilted cover
Organic-cotton-blend quilted surface.
Provides the breathable outer surface.
^{1, 2}
02
Official
AirCradle memory foam
The current direct model lists a 1.5-inch waved AirCradle memory-foam layer above the lumbar crown.
Provides the principal contouring layer; current density was not established in the reviewed primary specifications.
^{1, 2}
03
Official
Lumbar crown
Half-inch gel-infused memory-foam lumbar crown in the direct model.
Adds localized center support. Tom's Guide says this layer order differs from its 2023 test sample.
^{1, 2}
04
Official
Pocketed coils
Eight-inch pocketed coil unit; Saatva has published 616 coils in Queen and 15-gauge wire for the direct model.
Adds support, airflow, and faster response.
^{1, 2}
05
Official
Perimeter and base
Foam edge rails and base pad.
Stabilize the spring unit; foam densities are not published.
^{1, 2}

Chemicals and claims

Materials & certifications

Official

CertiPUR-US

Brand states qualifying foams are certified^{1, 2}

Not found / unresolved

Memory-foam density

Not confirmed in the current primary specification

An older 4 lb/ft³ figure is not carried forward without a dated controlling source.

^{1, 2}

Official

Flame barrier

Thistle-and-wool blend; brand says no fiberglass^{1, 2}

Not found / unresolved

Remaining foam densities

Not published^{1, 2}

Not found / unresolved

Exact-record certificate documents

Not linked unless specifically stated above

Certification names do not establish scope for every component, generation, retailer SKU, or production lot.

^{1, 2}

Representative editorial textures for orientation only. Nappedia did not inspect a physical material sample.

Brand scale vs measured samples

Firmness evidence

Official

Published label

Medium; 11.5 inches.

Manufacturer, retailer, or historical-source wording; not an independent measurement.^{1, 2}

Independent

Independent or cross-source context

The direct mattress is marketed as Medium around 5–7/10. A retailer alias does not establish a different measured firmness.

Family-level context; transfer to the exact configuration is limited and labeled.⁶

Analysis

Nappedia interpretation

Treat Medium as a seller label whose real-world feel can vary by body weight, sleep position, production generation, and test method.

Document synthesis only; no physical test by Nappedia.^{1, 2}

Method, sample, and source kept attached

Performance evidence matrix

A result describes a particular test method and sample. When reputable reviewers disagree, this file records the disagreement instead of inventing a consensus score.

Independent

Current/recent independent sample

Source-scoped

Tom's Guide's 2026 test panel rated its Twin sample about 6.5/10 overall, reported good cooling and responsiveness, and found weaker motion isolation.

No exact sample table is shown. A version-matched independent measurement set was not located for this mattress. Related family reviews remain in the sources used without being presented as tests of this mattress.

Exact published measurements

Dimensions & weight

Published profile11.5 inches

7 documented size rows: Twin, Twin XL, Full, Queen, King, and more.

Size	Dimensions	Weight	Source
Twin	38" × 75" × 11.5"	43 lb	^{1, 2}
Twin XL	38" × 80" × 11.5"	46 lb	^{1, 2}
Full	54" × 75" × 11.5"	57 lb	^{1, 2}
Queen	60" × 80" × 11.5"	70 lb	^{1, 2}
King	76" × 80" × 11.5"	86 lb	^{1, 2}
Split King	2 × 38" × 80" × 11.5"	46 lb each	^{1, 2}
Cal King	72" × 84" × 11.5"	86 lb	^{1, 2}

The contract matters

Trial, return, warranty & delivery

Policy snapshotFive purchase terms to verify before ordering

01Home trial365 nights under current direct-sale terms
02Return or exchange$99 processing fee under current direct-sale terms
03WarrantyCurrent Friends for Life limited warranty
04DeliveryFree in-room delivery and setup; eligible old-mattress removal

OfficialHome trial: 365 nights under current direct-sale terms
Confirm that the selected configuration remains eligible at checkout.
^{1, 3}
OfficialReturn or exchange: $99 processing fee under current direct-sale terms³
OfficialWarranty: Current Friends for Life limited warranty
Coverage, remedy, support-base, ownership, and impression-depth conditions are governed by the contract, not this summary.
⁴
OfficialDelivery: Free in-room delivery and setup; eligible old-mattress removal
Applies to eligible direct Saatva orders and locations.
^{1, 5}

Do not mix generations

Previous names & version history

Located source record
Official
Memory Foam Hybrid Mattress — Medium — 11.5" appears in the reviewed source set.
Current on brand site. A documented option within this mattress model. Other heights or comfort choices remain on the same page unless the brand markets them under a different mattress name.
¹
Corroborating record
Analysis
A second source was reviewed for Saatva Memory Foam Hybrid.
It is used for context and conflict checking; it does not automatically prove a distinct SKU or identical construction.
²
31 Jul 2026 evidence freeze
Analysis
Nappedia froze this page's source set and uncertainty labels.
Future product, retailer, certification, policy, or review changes require a new evidence edition.
^{1, 2}

Questions found during research

Common questions, answered from the evidence

These themes recur across brand help centers and independent review research: model name, firmness, sizing, construction, base compatibility, materials, and purchase terms. They are not presented as search-volume rankings.

Which exact mattress does this page cover?

This page covers “Memory Foam Hybrid Mattress · Medium · 11.5".” Its documented status is Current on brand site, and the published options are “Medium · 11.5 inches · Current on brand site.” Findings from another height, firmness, retailer version, or generation are not automatically treated as equivalent. ¹

What firmness is documented for this mattress?

Medium; 11.5 inches. Manufacturer, retailer, or historical-source wording; not an independent measurement. ^{1, 2}

How tall is this mattress, and which sizes were documented?

The published profile for this mattress is 11.5 inches. Documented sizes: Twin, Twin XL, Full, Queen, King, Split King, Cal King. ^{1, 2}

What is inside this mattress?

The cited construction record lists Quilted cover, AirCradle memory foam, Lumbar crown, Pocketed coils, Perimeter and base. The visual is a research reconstruction, not a Nappedia teardown. ^{1, 2}

What did the reviewed sources say about fiberglass or the flame barrier?

Thistle-and-wool blend; brand says no fiberglass ^{1, 2}

What trial, return, or exchange terms apply to this mattress?

Home trial: 365 nights under current direct-sale terms Confirm that the selected configuration remains eligible at checkout. Return or exchange: $99 processing fee under current direct-sale terms ^{1, 3}

What independent evidence is available, and which configuration did it test?

Tom's Guide's 2026 test panel rated its Twin sample about 6.5/10 overall, reported good cooling and responsiveness, and found weaker motion isolation. One-month home test by a 150–155-pound side sleeper plus four additional panelists and a kettlebell/wineglass motion check; the article documents a layer-order change after the 2023 sample. ⁶

The blank spaces are data

What is missing

“Not found” means the fact was not located in the reviewed public sources as of the page review date. It does not prove the feature or material is absent.

Exact identity and construction boundary: Documented with remaining component gaps
A documented option within this mattress model. Other heights or comfort choices remain on the same page unless the brand markets them under a different mattress name.
^{1, 2}
Current AirCradle density and formulation: Not found or not configuration-specific in the reviewed public sources^{1, 2}
Production transition date for the reversed foam-layer order: Not found or not configuration-specific in the reviewed public sources^{1, 2}
Adhesive composition and barrier blend percentages: Not found or not configuration-specific in the reviewed public sources^{1, 2}
Proof of retailer-channel construction equivalence: Not found or not configuration-specific in the reviewed public sources^{1, 2}
Independent test of this exact height, firmness, side, retailer SKU, and generation: Only where explicitly identified above; otherwise not found⁶
Population-level durability or failure rate: Not found
Reviews, warranties, and individual owner reports do not establish a denominator-based long-term failure rate.
^{1, 2}

Open every underlying document

Sources used

Official pages establish what the seller publishes. Independent sources are used for observed performance, measurements, teardowns, and version checks. Neither source class is treated as infallible. No physical test was conducted by Nappedia.

Commercial disclosure: Nappedia has an affiliate relationship with Saatva. The product link on this page is currently an ordinary, untracked link.

1
Saatva · Primary or earliest located record
First located record for Memory Foam Hybrid Mattress — Medium — 11.5" ↗Reviewed 31 Jul 2026
2
Saatva · Corroborating specification, history, or context
Corroborating or context record for Saatva Memory Foam Hybrid ↗Reviewed 31 Jul 2026
3
Saatva · Current direct-sale policy; applicability labeled in the dossier
Home trial, returns and exchanges ↗Reviewed 31 Jul 2026
4
Saatva · Current direct-sale warranty; applicability labeled in the dossier
Saatva mattress lifetime warranty ↗Reviewed 31 Jul 2026
5
Saatva · Current direct-sale delivery policy
Free white-glove mattress delivery ↗Reviewed 31 Jul 2026
6
Tom's Guide · Independent in-home and panel review with version warning
Saatva Memory Foam Hybrid review 2026 ↗Reviewed 31 Jul 2026
7
Saatva Customer Help Center · Current official specification table
What are the Memory Foam Hybrid specs? ↗Reviewed 31 Jul 2026
8
Saatva Customer Help Center · Current model-by-model manufacturer barrier disclosure
What flame retardants do Saatva mattresses use? ↗Reviewed 31 Jul 2026
9
Saatva Customer Help Center · Current manufacturer fiberglass statement
Do Saatva mattresses contain fiberglass? ↗Reviewed 31 Jul 2026

← Saatva Memory Foam Hybrid family Official product page · not tracked ↗

Medium 11.5 inches Saatva Memory Foam Hybrid; other feels and heights may perform differently.

Brand-published construction map

Evidence behind the conclusion

Medium 11.5 inches Saatva Memory Foam Hybrid; other feels and heights may perform differently.

At a glance

Published construction

Quilted cover

AirCradle memory foam

Lumbar crown

Pocketed coils

Perimeter and base

Materials & certifications

CertiPUR-US

Memory-foam density

Flame barrier

Remaining foam densities

Exact-record certificate documents

Firmness evidence

Published label

Independent or cross-source context

Nappedia interpretation

Performance evidence matrix

Dimensions & weight

Trial, return, warranty & delivery

Previous names & version history

Memory Foam Hybrid Mattress — Medium — 11.5" appears in the reviewed source set.

A second source was reviewed for Saatva Memory Foam Hybrid.

Nappedia froze this page's source set and uncertainty labels.

Common questions, answered from the evidence

What is missing

Continue researching

Decision comparisons containing this mattress

Sources used