Bottom line
Online hybrid collection with direct-sale collection with published 100-night trial and 10-year warranty; public evidence does not support a universal comfort or performance score.
What the research suggests
- Reported
- Results vary
- Not enough public information
The reviewed sources do not provide a clear position finding for this mattress.
The reviewed sources do not provide a clear body-weight finding for this mattress.
Owner reports may identify recurring questions, but are not used to promise pain relief, cooling, durability, or universal comfort.
The reviewed sources do not provide a clear motion isolation finding for this mattress.
Pocketed or connected coil system according to the exact product record Provides primary support
A brand label is not an independent whole-mattress measurement.
Shoppers specifically comparing the iBed identity and its published online hybrid collection construction.
This is a collection-level dossier because the manifest record is a collection, not one mattress SKU
Dealer model, region, and exact law label must be matched before model-level conclusions
Exact model list, construction, price, and availability vary by dealer and region
No collection-wide independent performance score is defensible
Dealer price, trial, delivery, returns, and exact SKU availability can differ by location.
The reviewed sources name 5 components for iBed, but do not support one reliable top-to-bottom sequence. No cut-open layer stack is shown because that would imply evidence we do not have.
Editorial Guardrail: Sequence Unverified
Published components, order unconfirmed. Do not read as a layer stack.
Layer order not verified. This is not a teardown or physical inspection by Nappedia. The reviewed manufacturer sources document 5 components for iBed, but do not establish an authenticated top-to-bottom strata sequence. Vertical stack rendering is suppressed to prevent unverified consumer guidance.
Documented Components (5) · Unordered Specifications
Order UnconfirmedCover and quilt
Creates the sleeping surface
Comfort system
Provides contouring and pressure redistribution
Transition system
Moderates the shift into support
Support core
Provides primary support
Edge and base
Stabilizes the perimeter and underside
This file covers iBed in the Current U.S. collection dossier scope. It does not silently import findings from another model, construction, firmness, retailer, or generation. Nappedia has not slept on, opened, or physically tested this mattress.
Editorial synthesis
Evidence behind the conclusion
Online hybrid collection with direct-sale collection with published 100-night trial and 10-year warranty; public evidence does not support a universal comfort or performance score.
Official sources establish the mattress name, the multiple dealer or collection models; no universal firmness feel description, and the published construction. This is a collection-level dossier because the manifest record is a collection, not one mattress SKU Dealer model, region, and exact law label must be matched before model-level conclusions The page keeps official claims, outside observations, self-selected owner reports, and missing information separate.
Who the cited evidence may support
These are research signals, not a comfort guarantee.
- Shoppers specifically comparing the iBed identity and its published online hybrid collection construction.
- This is a collection-level dossier because the manifest record is a collection, not one mattress SKU
- Dealer model, region, and exact law label must be matched before model-level conclusions
What to check before choosing
These limitations may change whether the mattress fits.
- Exact model list, construction, price, and availability vary by dealer and region
- No collection-wide independent performance score is defensible
- Dealer price, trial, delivery, returns, and exact SKU availability can differ by location.
High confidence in the current marketed identity and official high-level construction; moderate confidence in selector boundaries; low confidence in universal performance, durability, and population fit because exact independent evidence is limited.
Identity and core facts
At a glance
- Construction type
- OfficialOnline hybrid collection
Direct-sale collection with published 100-night trial and 10-year warranty
1, 2 - Published feel
- OfficialMultiple dealer or collection models; no universal firmness
A brand label is not an independent whole-mattress measurement.
1, 2 - Published profile
- Not found / unresolvedMultiple profiles; exact model required1
Named components
Published component map
The official page names these components but does not render one reliable top-to-bottom sequence. They are not numbered as a confirmed stack. This is not our teardown or independent verification of composition.
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Chemicals and claims
Materials & certifications
Published materials
Direct-sale collection with published 100-night trial and 10-year warrantyOnly model-scoped public disclosures are included.
1, 2Certifications
Exact-model documents not fully locatedNo certification is inferred from a brand-wide badge or a sibling model.
1, 2Complete bill of materials
Not publishedSuppliers, adhesives, fire-barrier recipe, production tolerances, and every foam density were not fully disclosed.
1, 2Representative editorial textures for orientation only. Nappedia did not inspect a physical material sample.
Uniform Law Label & Material Deconstruction
Under FTC 16 CFR Part 303 and IABFLO uniform law label standards, bedding manufacturers must disclose exact net filling weights using standardized generic fiber terms. Marketing buzzwords are prohibited under federal penalty.
UNDER PENALTY OF LAW THIS TAG NOT TO BE REMOVED EXCEPT BY THE CONSUMER
ALL NEW MATERIAL CONSISTING OF
Certification is made by the manufacturer that the materials in this article are described in accordance with law.
Brand scale vs measured samples
Firmness evidence
Brand feel label
Multiple dealer or collection models; no universal firmness
Official product or collection description; not an independent measurement.1, 2Independent firmness
No universal exact-current firmness result is claimed.
Independent results require the exact tested model, selector, date, and generation.5, 6Biomechanical Metrology & Microvascular Hemodynamics
Landis Capillary Threshold: 32.0 mmHg (4.266 kPa)Interactive Pressure Mapping & Sleep Posture Heatmap
Direct clinical simulation of contact interface pressures, capillary perfusion collapse, and coronal/sagittal spinal curvature across sleeper mass tiers and mattress firmness ratings.
Excessive surface rigidity (8/10) prevents shoulder and trochanter immersion, tilting coronal spine upward and impinging cervical/thoracic nerve roots.
Clinical Perfusion Assessment (Landis 1930): ELEVATED LOAD WARNING: Interface pressure at Hips & Pelvis (31.3 mmHg) approaches the 32.0 mmHg ischemic closing boundary. Microvascular vascular resistance is elevated; increased contouring is advised to prevent localized tissue hypoxia during prolonged lateral sleep cycles.
Warning pressure zone (31.3 mmHg). Elevated microvascular resistance; monitoring recommended.
Anatomical Sensor Matrix (6 Discrete Interface Zones)
| Anatomical Sensor Zone | Pressure (mmHg) | Pressure (kPa) | Microvascular Status | Clinical Evaluation |
|---|---|---|---|---|
| Head & CervicalOcciput and C1-C7 cervical vertebrae resting on sleep surface/pillow interface | 12.5 mmHg | 1.67 kPa | optimal | Cervical spine neutral. |
| Shoulders & ThoracicGlenohumeral joint, acromion process, scapulae, and T1-T12 thoracic cage | 30.2 mmHg | 4.03 kPa | warning | Warning pressure zone (30.2 mmHg). Elevated microvascular resistance; monitoring recommended. |
| Lumbar SpineL1-L5 lordotic bridge requiring active upward support to prevent paraspinal spasm | 13.5 mmHg | 1.80 kPa | optimal | Flank and waist properly supported. |
| Hips & PelvisGreater trochanter, iliac crest, and sacrum carrying 40-45% of total sleeper mass | 31.3 mmHg | 4.17 kPa | warning | Warning pressure zone (31.3 mmHg). Elevated microvascular resistance; monitoring recommended. |
| Knees & ThighsMedial/lateral femoral condyles and patellar articulation | 15.7 mmHg | 2.09 kPa | optimal | Lateral knee contact comfortable. |
| Feet & AnklesLateral malleolus and calcaneus heel bone interface | 11.5 mmHg | 1.53 kPa | optimal | Lateral ankle safely supported. |
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.
Zoned Biomechanics (Hooke's Law): Differential wire gauges isolate body mass zones. While plush 16.0 AWG coils allow deep shoulder contouring (28mm), reinforced 14.5 AWG lumbar springs resist pelvic rotation under heavy loads, arresting sag at 30mm to maintain neutral lordotic alignment (Δy ≈ 0).
Simulated Hooke’s law pocket coil deflection across anatomical body load distributions.
Independent evidence boundary
Evidence gapNo exact current configuration-matched independent laboratory conclusion was located.
Owner-report context
Source-scopedBrand-site and aggregation reviews are self-selected reports, not a prevalence sample or controlled physical test.
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
1 documented size rows: Standard U.S. sizes.
| Size | Dimensions | Weight | Source |
|---|---|---|---|
| Standard U.S. sizes | Multiple profiles; exact model required | Exact size-by-size weight not located in the reviewed public sources | 1 |
The contract matters
Trial, return, warranty & delivery
- 01Trial and returnsPurchase-channel terms apply
- 02WarrantyOfficial warranty published
- 03Medical outcomesNot established
- OfficialTrial and returns
- Purchase-channel terms apply
Confirm with the selling retailer before purchase.
3 - OfficialWarranty
- Official warranty published
Duration alone does not establish expected service life; law-label model and original-purchaser conditions can matter.
4
Warranty Proration Cliff & Fine Print Analysis
Mattress warranties advertised as "25-Year" or "Lifetime" typically undergo an actuarial transition into a steep proration cliff after Year 10. Consumer defect claims require rigid straight-edge depth proof and strict foundation compliance.
- Years 1-10: 100% Non-Prorated. The manufacturer covers 100% of replacement or repair costs ($0 customer copay).
- Years 11-15: Customer pays 50% of the purchase price ($900.00 on a $1800 mattress).
- Years 16-20: Customer pays 75% of the purchase price ($1350.00 on a $1800 mattress).
- Years 21-25: Customer pays 85% of the purchase price ($1530.00 on a $1800 mattress).
- Round-Trip Freight Surcharge: Optional repair in Year 3+ incurs a mandatory $149 processing fee.
Do not mix generations
Previous names & version history
- 2026-08-12
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 “iBed.” Its documented status is Current U.S. catalog record reviewed 12 Aug 2026, and the published options are “Current U.S. collection dossier.” Findings from another height, firmness, retailer version, or generation are not automatically treated as equivalent. 1, 2
What firmness is documented for this mattress?
Multiple dealer or collection models; no universal firmness Official product or collection description; not an independent measurement. 1, 2
How tall is this mattress, and which sizes were documented?
An exact published profile was not located. Documented sizes: Standard U.S. sizes. 1
What is inside this mattress?
Reviewed sources name Cover and quilt, Comfort system, Transition system, Support core, Edge and base, but one reliable top-to-bottom order was not verified. 1, 2
What trial, return, or exchange terms apply to this mattress?
Trial and returns: Purchase-channel terms apply Confirm with the selling retailer before purchase. 3
What independent evidence is available, and which configuration did it test?
Brand-site and aggregation reviews are self-selected reports, not a prevalence sample or controlled physical test. Owner reports may identify recurring questions, but are not used to promise pain relief, cooling, durability, or universal comfort. 1, 5
Which important details are still unverified?
Unresolved public evidence: Not found Exact model list, construction, price, and availability vary by dealer and region Unresolved public evidence: Not found No collection-wide independent performance score is defensible Physical teardown: Not performed The construction map is an editorial archetype and must not imply unpublished thicknesses, materials, or proportions. 1, 2, 5, 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.
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.
- 1
King Koil · Official exact product or current collection identity
iBed official record ↗Reviewed 2026-08-12 - 2
King Koil · Official current U.S. catalog
King Koil current mattress catalog ↗Reviewed 2026-08-12 - 3
King Koil · Official purchase-channel policy source
King Koil trial, return, or retailer terms ↗Direct and dealer terms are not assumed equivalent - 4
King Koil · Official warranty source
King Koil warranty ↗Eligibility and exclusions require the exact purchase channel and law label - 5
GoodBed · Independent review or owner-report source
King Koil owner-review and catalog archive ↗Retained only within the exact model, generation, and method scope - 6
Sleepopolis · Independent review or owner-report source
King Koil mattress review ↗Retained only within the exact model, generation, and method scope