Attribute Schema Library
Attribute schemasafety & PPE

Fall Protection Harness Attributes

Full-body harnesses are the wearable component of a personal fall arrest system, sold through safety and PPE distributors into construction, utilities, telecom, oil and gas, and general industry MRO. The buyer is an EHS manager or safety-desk specialist purchasing against a written fall protection program that names a standard edition, an attachment configuration, and a capacity basis.

The category is a configuration matrix pretending to be a product list. One platform ships as vest, crossover, construction, climbing, and confined-space variants; each crosses chest buckle, leg buckle, D-ring config, padding, and five sizes. Suppliers don't send those as fields — they encode them in the product name. "Vest-style Harness - Back D-ring, TB/QC" means tongue-buckle legs and quick-connect chest, legs first. Read that left to right into a buckle column and you've inverted it across the platform.

Capacity is ambiguous too: Z359.11-2021 covers a 130–310 lb range including worker, clothing and tools; the same harness is marked 420 lb under OSHA/CSA. Both sit on one datasheet.

Core

Every SKU needs these. Without them the record is not a product, it is a row.

Harness Style
enum
Vest

First filter on every fall protection rail. Determines how the worker dons it and which applications it is built for.

Harness Size
enum
L/XL

Fit is a safety function, not a comfort preference. A loose harness lets the dorsal D-ring migrate and changes fall dynamics.

Weight Capacity
number · lb
420

Gates the SKU against the customer's fall protection program. Must be paired with a stated basis to mean anything.

D-Ring Locations
enum
Dorsal; Sternal; Hip

Defines what the harness can legally do. Dorsal-only cannot position; hip D-rings cannot arrest a fall.

Chest Buckle Type
enum
Quick-Connect

Buyers standardize a fleet on one buckle so gloved workers don't fumble donning. Drives repeat orders.

Leg Strap Buckle Type
enum
Tongue Buckle

Ordered separately from the chest buckle and frequently different on the same SKU. Tongue buckle is fixed-hole, QC is one-handed.

Torso Adjuster Type
enum
Parachute

Distinguishes otherwise identical SKUs. Parachute adjusters behave differently under load than mating buckle adjusters.

Webbing Material
enum
Polyester

Polyester resists acids, nylon resists alkalis, aramid resists flame. Chemical exposure decides the buy.

D-Ring / Hardware Material
enum
Aluminum

Aluminum cuts harness weight but is unsuitable near molten metal or arc hazards. Stainless is for corrosive plants.

Manufacturer Part Number
identifier
1113010

The only reliable key across supplier price files, RFQs, and the customer's ERP. Config suffixes matter.

GTIN / UPC
identifier
00078371113010

Required for marketplace listing and for scan-based receiving at customer crib counters.

Country of Origin
text
Mexico

Drives duty, and federal and utility contracts increasingly require domestic-origin PPE. Blocks the quote if absent.

Differentiating

What buyers actually compare on. This is where catalogs win or lose the filter.

Application / Use Type
enum
Fall Arrest; Work Positioning

Fall arrest, positioning, restraint, ladder climbing, and confined-space retrieval are different purchases.

Padding Location
enum
Back and Leg

The comfort spec that decides fleet adoption. Workers defeat harnesses they will not wear all shift.

Fall Arrest Indicator
boolean
Yes

Lets an inspector pull an impacted harness in seconds. Expected by most competent-person inspection programs.

Special Hazard Construction
enum
Arc Flash (Nomex/Kevlar)

Arc flash, hot work, and chemical variants are the high-margin SKUs and the ones buyers cannot find.

Compliance & identifiers

Standards, regulatory data, and the identifiers channels reject you for missing.

Standards Compliance
enum
ANSI/ASSP Z359.11-2021; OSHA 1926.502

Carry the edition year. A program written to Z359.11-2021 will not accept a 2014-marked harness.

CSA Harness Class
enum
CSA Z259.10-18 Class A, L

Canadian sites specify by class letter, not by feature. Class A is arrest, L is ladder, P is positioning.

The fields that aren't in the schema at all

What most fall protection harnesses catalogs are missing.

The table above is the schema most catalogs already have. These are the attributes that usually aren't in it — each one surfaced by a signal from the live market rather than by an audit of what's already there. This is what Anglera's Schema Foundry does on a real catalog, in this category.

Supplier signal
+ Capacity Basis

Manufacturer datasheets print both an ANSI capacity range of 130-310 lb and a 420 lb tested working weight. Distributor records carry one number and no field saying which basis it is.

Buyer whose program mandates ANSI-limit compliance reads 420 lb, assumes non-conformance, and drops the SKU from the bid — or accepts it and fails audit.

Search signal
+ Per-Size Fit Dimensions

Buyers search for a harness to fit a 6'4" 280 lb worker and get zero results. Every major manufacturer publishes a sizing chart, but only as a PDF the catalog never parses.

Wrong size shipped on a category where fit is a safety function. Returns on worn PPE are expensive and often refused outright.

Competitor signal
+ Arc Flash / Hot Work Suitability

Specialist fall protection filter rails expose an arc flash facet; most distributor catalogs leave Nomex/Kevlar buried in marketing copy with no structured field to filter on.

Utility and welding RFQs are lost silently. The correct SKU is in stock and unreachable because nothing distinguishes it from standard polyester.

Review signal
+ Kit Contents / Sold-As

Reviews on harness listings repeatedly say the buyer expected a lanyard in the box. Titles say 'harness kit' and 'harness' with no field separating a bare harness from a kit.

Returns and re-picks on a low-margin line, plus a worker sent to height without the connecting subsystem he assumed was shipped.

Supplier signal
+ RFID Tag / Serial Traceability

Manufacturers sew a serial and date-of-manufacture label into every harness and sell RFID-tagged variants for inspection programs. Catalogs carry no field for whether the SKU is tagged.

Safety managers running documented periodic inspections buy the tagged variant from whoever exposes the field. The whole fleet order follows it.

How Schema Foundry finds these

Messy in, governed out.

The same value, spelled every way safety & PPE suppliers spell it. A filter only works once they agree.

Buckle Configuration
TB/QCQC/TBQuick ConnectPass-ThruPass ThroughMating
Leg: Tongue Buckle | Chest: Quick-Connect

Supplier titles encode legs first, chest second. Parsing 'TB/QC' left to right into one buckle field inverts it across the whole platform.

Weight Capacity
420 lbs.420#190 kg130-310 lbs310 lb (ANSI)420 lb cap
420 lb (OSHA tested) | 310 lb (ANSI max)

Two correct numbers on one datasheet. A bare integer destroys the distinction the buyer's fall protection program is written against.

D-Ring Locations
BackDorsal1 D-Ring Upper BackSternalChestFront
Dorsal; Sternal; Hip

'Front' is genuinely ambiguous: sternal is a fall arrest point, frontal/waist is for ladder climbing. Collapsing them mis-sells the harness.

Webbing Material
PolyesterPolyRepel PolyesterNomex/KevlarKevlar/NomexAramid
Polyester

'Repel' is a coating trade name, not a material. It belongs in a treatment field, otherwise it forks polyester into two fake values.

What buyers ask

Every one of these should be answerable from the attributes above. If it isn't, that's a gap.

  • Will this fit a 6'4", 280 lb worker, or do I need the 2XL?
  • Is the 420 lb capacity the worker's weight, or worker plus tools?
  • Does it have hip D-rings so my guys can use a positioning lanyard?
  • Is this rated for arc flash? My linemen are working energized.
  • Are the leg straps tongue buckle or quick-connect?
  • Does it meet Z359.11-2021, or is it still marked to the 2014 edition?
  • Does a lanyard come with this, or is that ordered separately?
  • Can I use this for confined space retrieval — does it have shoulder D-rings?

What channels require

The same SKU, different mandatory fields per destination.

Distributor site filter rail (Grainger-style)
Harness StyleHarness SizeWeight CapacityD-Ring LocationsChest Buckle TypeLeg Strap Buckle Type
Amazon Business
GTIN / UPCBrandManufacturer Part NumberHarness SizeWeight CapacityCountry of Origin
Customer punchout / ERP catalog (Ariba, Coupa)
UNSPSCManufacturer Part NumberManufacturer NameUnit of MeasureCountry of OriginStandards Compliance
AD Safety Network / industry syndication
GTIN / UPCManufacturer Part NumberUNSPSCStandards ComplianceCountry of OriginProduct images and datasheet

Fall Protection Harnesses data, in practice

Why does the same harness show both 310 lb and 420 lb capacity?

Both are correct and they measure different things. ANSI/ASSP Z359.11-2021 covers full body harnesses for users in a 130-310 lb capacity range, and that 310 lb ceiling already includes the worker, clothing, and carried tools. Manufacturers separately factory-test and mark many of the same harnesses to 420 lb total working weight, which OSHA and CSA permit. So one datasheet legitimately prints an ANSI range and a higher tested rating. The catalog error is storing a single integer. Model capacity as a value plus a basis: a customer buying to the ANSI limit and a customer buying to OSHA are asking different questions of the same field.

Should harness size be one attribute or several?

Both. Keep the enum (S/M, L/XL, Universal, 2XL/3XL) because that is what the filter rail and the purchase order use. But carry the underlying fit dimensions as separate ranges — chest, waist, torso length, and the user weight range for that size. Every major manufacturer publishes these in a sizing chart, almost always as a PDF that never reaches the catalog. Without them you cannot answer the most common pre-purchase question in the category, which is whether a specific worker fits. Fit is a safety function here: a harness sized wrong lets the dorsal D-ring migrate off the shoulder blades and changes how a fall is arrested.

How should buckle configuration be modeled?

As two fields, never one. Chest and leg buckles are specified independently and are routinely different on the same SKU — tongue-buckle legs with a quick-connect chest is one of the most common configurations sold. The trap is that suppliers compress this into the product name as a pair like 'TB/QC', ordered legs first, chest second. A parser reading left to right into a single 'buckle type' column will invert the pair consistently across an entire platform, which is worse than leaving the field blank because it looks populated. Split the field, and validate against the long-form description, which usually spells both out.

Do I need to carry the standard edition year?

Yes, and it is one of the most commonly dropped values in the category. 'ANSI Z359.11' without a year is not usable. The 2021 revision changed real things: a modified headfirst dynamic test, new stretch-out requirements for frontal connections, revised fall arrest indicator testing and labeling, pictograms showing approved connection points, and allowance for harnesses with integrated energy absorbers. A customer whose program specifies the current edition will reject a 2014-marked harness. Carry the edition per standard, and carry standards as a multi-value field — most harnesses hold ANSI, OSHA, and CSA marks at once, and the CSA claim needs its class letters.

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