Slash-Resistant Clothing: What It Protects, How to Test It, and How to Choose It | Smart Armours | Cut-Resistant Clothing

*An evidence-led guide to cut-resistant shirts, neck guards, sleeves, gloves, trousers, and stab-resistant armor for security, corrections, and other exposed roles.*

**By Smart Armours Team · Updated 31 October 2026.

**Review status:** Named clinical and textile/PPE specialist reviews are pending and should be attributed before publication. The anatomy and emergency-response guidance is educational and does not replace hands-on first-aid training or local emergency protocols.

## Quick answer

**Slash-resistant clothing can reduce the chance or severity of a blade cut where a tested barrier covers the body. It does not make the wearer knife-proof.** A cut test measures resistance to a moving edge; a stab test measures resistance to a point driven into an armor system ([EN 388:2016+A1:2018](https://www.satra.com/ppe/EN388.php); [NIJ, 2000](https://www.ojp.gov/pdffiles1/nij/183652.pdf)).

Neither a fabric’s cut rating nor a glove’s EN 388 mark proves that a shirt, neck guard, or vest resists stabbing. Start with the likely threat, then check the test report, coverage map, fit, seams, and care instructions for the **finished product**.

## Key Facts Box

| Question | Evidence-based answer |
|—|—|
| What does ISO 13997 measure? | The force, in **newtons (N)**, associated with a specified blade cutting through a specimen over a **20 mm** cut distance. It is a cut test, not a stab or ballistic test (ISO 13997:1999). |
| What is the highest EN 388 straight-blade cut letter? | **F**, at **30 N or more** in the ISO 13997-based test. E begins at **22 N**. EN 388 is a **protective-glove** standard, not whole-garment certification (EN 388:2016+A1:2018). |
| Are EN 388 numeric Level 5 and letter E equivalent? | **No.** The circular-blade “Coupe” result uses a cut index (0-5); the ISO 13997-based result uses force (A-F under EN 388). Blade dulling can make the circular-blade result unsuitable ([SATRA, EN 388 guide](https://www.satra.com/ppe/EN388.php)). |
| Does cut resistance mean stab resistance? | **No.** NIJ Standard-0115.00 tests specified edged-blade or spike threats on torso armor. It does not certify a neck guard, sleeve, or entire outfit ([NIJ, 2000](https://www.ojp.gov/pdffiles1/nij/183652.pdf)). |
| Which body areas matter? | The answer depends on the job and likely attack. Neck, torso, axilla, arms, wrists, hands, groin, and thighs can all matter, but a high fabric rating has little value where coverage gaps expose tissue. |
| Is there one best fabric? | **No.** Fiber, yarn, knit or weave, coatings, layers, seams, fit, and test condition all affect the result. Compare documented specimens and finished products, not fiber names alone. |
| What matters after a severe cut? | Call emergency services, control bleeding promptly, and follow trained first-aid procedures. A limb tourniquet is for severe **arm or leg** bleeding, not for the neck or groin ([ACS Stop the Bleed](https://www.stopthebleed.org/get-trained/)). |

## Table of Contents

1. [What threats can slash-resistant clothing protect against?](#what-threats-can-slash-resistant-clothing-protect-against)
2. [Which body areas need coverage?](#which-body-areas-need-slash-resistant-coverage), including [severe-bleeding response](#when-a-blade-injury-causes-severe-bleeding)
3. [How do cut, stab, and puncture tests differ?](#how-do-cut-stab-and-puncture-tests-differ)
4. [What do EN 388 cut levels mean?](#what-do-en-388-cut-levels-mean)
5. [Which materials make cut-resistant clothing work?](#which-materials-make-cut-resistant-clothing-work)
6. [How should a protective shirt or uniform be designed?](#how-should-a-slash-resistant-shirt-or-uniform-be-designed)
7. [How can buyers verify a finished garment?](#how-can-buyers-verify-a-finished-garment)
8. [How do washing and wear affect protection?](#how-do-washing-and-wear-affect-cut-resistance)
9. [What should buyers ask suppliers?](#what-should-buyers-ask-suppliers)
10. [How has the technology evolved, and what comes next?](#how-has-slash-resistant-clothing-evolved-and-what-comes-next)
11. [What are the most common questions?](#what-are-the-most-common-questions-about-slash-resistant-clothing)
12. [What do the terms mean, and where are the sources?](#what-do-the-terms-mean-and-where-are-the-sources)

## What threats can slash-resistant clothing protect against?

“Knife protection” describes several hazards. A draw cut from broken glass, a slash from a moving knife edge, a deliberate thrust, and a spike strike load clothing differently. An industrial cut-resistant sleeve designed for sheet-metal edges may be inadequate against a pointed weapon.

A stab-resistant vest may protect the torso from its tested blade while leaving the neck, underarm, arms, and legs exposed. Blade geometry, sharpness, angle, force, repeated strikes, and garment position all matter. NIJ limits its stab standard to specified threats and warns that other weapons or attack conditions can perform differently ([NIJ, 2000](https://www.ojp.gov/pdffiles1/nij/183652.pdf)).

Use a written risk assessment: who wears the equipment, what tools or weapons are credible, how an incident might occur, which body regions are exposed, and how long the wearer must work in heat, rain, or confined spaces. Include foreseeable tasks such as reaching overhead, restraining a person, driving, kneeling, and using a radio. Record the risks the selected equipment **does not** cover. This is more useful than buying the highest number on a material brochure.

Risk varies by role and location. A warehouse worker handling sheet metal, a correctional officer facing improvised weapons, and a security officer working in a crowded venue need different protection. Employers can make better decisions by reviewing their own incident and near-miss records alongside local occupational or crime data. They should distinguish accidental cuts from assaults and record the body area, object, activity, and conditions involved.

## Which body areas need slash-resistant coverage?

Where a garment ends can matter as much as the resistance of its fabric. The **carotid arteries run on either side of the neck**; the **axillary vessels pass through the armpit**; and the **brachial artery runs through the upper arm**.

The **radial and ulnar arteries lie in the forearm and wrist**, while the **femoral vessels pass through the groin and proximal inner thigh**. Injuries to major veins, internal organs, or other tissues can also be life-threatening. These landmarks help designers find exposed areas; a fabric rating alone cannot establish protection from a specific injury.

Anatomy identifies where protection may be needed; it does not set a universal fabric rating for the neck, wrist, or thigh. The required performance depends on the likely blade or point, the garment’s coverage, and the relevant test method. Protective clothing complements training and rapid medical response; it cannot replace them.

### What should you do when a blade injury causes severe bleeding?

Treat heavy, persistent bleeding as an emergency even when protective clothing was worn. **Call local emergency services immediately** and follow dispatcher instructions. Apply firm, direct pressure to the bleeding site with a clean dressing or cloth if available.

For life-threatening arm or leg bleeding, a **limb tourniquet** may be appropriate under training and local protocol. **Never place a limb tourniquet around the neck or across the groin.** For bleeding in those areas, trained responders may use direct pressure and, where their protocol calls for it, wound packing. Do not wrap a dressing tightly around the neck or obstruct breathing.

Continue care until emergency responders take over. The American College of Surgeons teaches direct pressure, wound packing, and tourniquet use as distinct skills ([ACS Stop the Bleed](https://www.stopthebleed.org/get-trained/)).

This is an overview, not a procedure for performing those skills. A workplace that issues protective clothing for blade hazards should also provide practical bleeding-control training, accessible supplies, and a rehearsed emergency plan.

## How do cut, stab, and puncture tests differ?

The terminology matters because a number without the method is almost meaningless.

| Test or standard | What it measures | Typical output | What it does **not** prove |
|—|—|—|—|
| **ISO 13997** straight-blade cut method | Force associated with cutting a textile specimen over a specified 20 mm travel | **N**; some product standards convert the force to a letter grade | Stab, spike, bullet, or finished-garment protection |
| **EN 388:2016+A1:2018** for protective gloves | Several glove hazards: abrasion, circular-blade cut, tear, specified probe puncture, straight-blade cut, and optional impact | A multi-part glove marking; straight-blade cut **A-F** | Certification of a shirt, trousers, or neck guard; resistance to a knife thrust |
| **ANSI/ISEA 105** hand-protection classification | Glove material performance under specified methods, including cut | US cut level **A1-A9**, using gram-force conventions | A universal conversion to EN 388 or an outfit-level rating |
| **NIJ Standard-0115.00** | Stab resistance of personal **torso armor** to defined edged blades or spikes | Class, level, strike energy (**J**), and allowed penetration | Ballistic resistance or automatic certification of other body areas ([NIJ, 2000](https://www.ojp.gov/pdffiles1/nij/183652.pdf)) |
| **EN 388 probe puncture** | Force for a specified blunt stylus to penetrate a glove specimen | **N**, as a different EN 388 digit | Resistance to hypodermic needles or knife points ([SATRA, EN 388 guide](https://www.satra.com/ppe/EN388.php)) |

ISO 13997 moves a sharp straight blade across a clamped sample under controlled load. The result is force for a specified cut-through distance, **not** the peak force a person can withstand or the force needed to pierce tissue.

EN 388 also includes a circular-blade “Coupe” method that yields a relative cut index. Some materials dull that blade, making the straight-blade result especially important. Read the method, edition, specimen location, and conditioning in the test report ([SATRA, EN 388 guide](https://www.satra.com/ppe/EN388.php)).

**For stab threats, test a stab-resistant system.** NIJ 0115.00 defines separate edged-blade and spike protection classes. An E1 strike permits no more than **7 mm** penetration and an E2 overtest no more than **20 mm** at each of its three levels. These are test acceptance criteria, **not** a promise that a person will be uninjured ([NIJ, 2000, sections 2.1-2.2](https://www.ojp.gov/pdffiles1/nij/183652.pdf)).

| NIJ 0115.00 level | E1 nominal strike energy | E2 nominal overtest energy | Application caveat |
|—|—:|—:|—|
| 1 | 24 J | 36 J | Defined torso-armor stab threat, not a garment-wide cut grade |
| 2 | 33 J | 50 J | Same standard and threat-class limitations |
| 3 | 43 J | 65 J | Higher test energy does not make the armor universal |

NIJ 0115.00 addresses **stab** resistance directly, not a separate slash test. Its scope says armor that defeats its stab threats is expected to perform satisfactorily against the slash threats considered in its development. That does not make an armor system knife-proof against every weapon or turn cut-rated cloth into stab-resistant armor ([NIJ, 2000, section 1](https://www.ojp.gov/pdffiles1/nij/183652.pdf)).

## What do EN 388 cut levels mean for gloves and clothing?

For the ISO 13997-based **straight-blade** component of EN 388, the cut letters are:

| Letter | Minimum cut force | Letter | Minimum cut force |
|—|—:|—|—:|
| A | 2 N | D | 15 N |
| B | 5 N | E | 22 N |
| C | 10 N | F | 30 N |

The letter is one part of an EN 388 glove marking. A separate numeric field may show the circular-blade cut index up to **5**. “EN 388 cut level 5” and “EN 388 cut level E” therefore refer to **different** tests and cannot be used interchangeably ([SATRA, EN 388 guide](https://www.satra.com/ppe/EN388.php)).

A marking can also contain **X** when a test was not performed or is not applicable. Compare the full marking and laboratory report, including the edition and specimen location. EN 388 distinguishes blade cut, tear, abrasion, and probe puncture; one result does not describe all of these hazards.

**Do not assign E or F to every body zone by default.** EN 388 is a glove standard; a designer may use ISO 13997 test data for cloth elsewhere, but an E/F letter alone is not a certified clothing-system claim. The appropriate target depends on hazard, coverage, the relevant product standard, and field validation. More cut resistance may mean more weight, reduced stretch, or more heat; a protection level that workers cannot wear for the task can perform poorly in practice.

US glove buyers may encounter ANSI/ISEA 105’s **A1-A9** cut classes. Both systems use cut testing, but units, edition rules, specimen preparation, and classification thresholds differ. Request the underlying test report rather than treating a conversion chart as a guarantee. For an international tender, state **both** requested classification and exact test method, and allow an equivalent evidence package if local rules permit.

## Which materials make cut-resistant clothing work?

Protective clothing has expanded from leather, metal mesh, and rigid armor to engineered yarns and layered composites. Modern options include para-aramids, ultra-high-molecular-weight polyethylene (UHMWPE), high-tenacity nylon or polyester, glass or steel reinforcement, coatings, and combinations of these.

These are **material families**, not performance levels. A fiber name does not tell you whether a cut-resistant shirt, cut-resistant hoodie, sleeve, or neck guard performs well. Yarn geometry, fabric construction, layers, and garment integration change the result.

**Areal density** is reported in g/m²; **air permeability** is a flow per area under a stated pressure difference. **Water-vapor resistance** or transmission addresses evaporative comfort. Micrometers (µm) measure length or pore size, **not airflow**.

None of these values alone establishes protection. To compare two fabrics fairly, ask for the actual cut or stab result, construction, areal density, comfort measurements, and performance after cleaning. A laboratory’s ISO/IEC 17025 accreditation applies to its defined testing scope; it is not a product safety mark.

## How should a slash-resistant shirt or uniform be designed?

Good slash-resistant clothing is a system of panels, seams, closures, fit, and working posture. Start with a coverage drawing for expected movements. Overlap a sleeve with the glove cuff and prevent a neck guard from lifting when the wearer turns.

Check side-torso coverage with the arms raised and the position of a trouser insert during a squat. An exposed seam or zipper can defeat an otherwise strong panel. This applies to cut-resistant undershirts, overt shirts, hoodies, sleeves, and full uniforms.

The underarm needs reach and ventilation, yet a large armhole can expose the axilla. Shaped gussets, overlapping panels, and protected seams can help, but the finished configuration still needs testing. Ventilation openings in a high-risk area can create a protection gap.

Neck protection must not impair breathing, hearing, communication, or emergency removal. A cut-resistant neck guard or collar is not automatically a stab-resistant throat guard.

Fit is a safety variable: tight clothing can restrict motion and open seams; loose clothing can shift the protected area or catch on equipment. Evaluate the full size range on wearers over uniforms, radios, body armor, and duty belts.

Include seated, overhead, sprint, grip, and fine-motor tasks. Measure heat burden and wear acceptance over a realistic shift. Select PPE for the hazard and wearer, not a material number alone ([HSE, choosing gloves](https://www.hse.gov.uk/skin/employ/gloves.htm); [NIOSH, PPE](https://www.cdc.gov/niosh/ppe/)).

If ballistic, stab, cut, fire, or chemical hazards coexist, require evidence for **each** claimed hazard in the actual layering arrangement. A ballistic rating does not automatically prove stab resistance; stacking unrelated products may also change fit, heat load, and access to equipment. Document the order of layers and any manufacturer-approved combinations.

## How can buyers verify a finished cut-resistant garment?

The most persuasive product evidence runs from laboratory specimen to production lot to worn garment:

1. **Define the hazard.** Name edge, point, spike, glass, or other likely contact; specify body zones and task conditions.
2. **Test representative materials.** Record fabric orientation, number of layers, backing, wet/dry state, and methods/editions. Include test uncertainty where the lab provides it.
3. **Test the weak points.** Sample seams, closures, vents, joins, cuffs, and worn or washed material, not only intact central panels.
4. **Assess finished-product fit.** Map uncovered skin in motion across sizes and equipment combinations; photograph and record deviations.
5. **Repeat after care and use.** Apply the exact label laundering method and a justified number of cycles; retest relevant properties and inspect dimensional change.
6. **Control production.** Keep bill of materials, approved suppliers, lot traceability, acceptance sampling, and change-control rules. A new yarn, coating, stitch, or supplier can change performance.

For stab-resistant torso armor, compare the tested configuration, threat class, level, coverage, and manufacturing details under the relevant armor protocol ([NIJ, 2000](https://www.ojp.gov/pdffiles1/nij/183652.pdf)). Legal compliance and certification procedures vary by market.

In the EU, PPE Regulation (EU) 2016/425 governs placing relevant PPE on the market. A test report, CE mark, laboratory accreditation, and product certification are **different things**. Check the product standards, declaration of conformity, and notified-body information for the specific product ([European Union, 2016](https://eur-lex.europa.eu/eli/reg/2016/425/oj)).

## How do washing and wear affect cut-resistant clothing?

A useful label names the washing, drying, storage, and repair limits supported by tests on that product. Heat, bleach, solvents, tumble drying, UV, and repeated flexing affect constructions differently. A coating that repels water does not automatically preserve cut resistance when wet. If routine laundering is expected, buyers should request results after a stated number of cycles using the actual care method.

Before a shift, inspect for holes, broken yarns, exposed reinforcement, delamination, damaged fasteners, stretched cuffs, missing labels, and altered fit. After a significant blade contact or other damage, remove the garment from service until the manufacturer or a qualified PPE manager evaluates it.

Record issue date, model, size, lot, care events, repairs, and retirement. Replace the item when it fails inspection or the maker’s validated service-life rule. “Washable” and “reusable” are claims that need product-specific evidence.

## What should buyers ask suppliers of slash-resistant clothing?

Ask suppliers for a concise evidence pack. The most revealing questions are:

| Ask for | Why it matters |
|—|—|
| Exact product name, version, size range, bill of materials, and coverage drawing | Prevents a test on a different sample being passed off as proof for the sold garment |
| Full lab report with method, edition, specimen, conditioning, result, date, and accreditation scope | Makes a cut or stab claim traceable and comparable |
| Finished-product seam/closure and after-care results | Reveals gaps that a central fabric swatch cannot show |
| Clear claim limits: cut, stab, spike, ballistic, or combinations | Stops one rating being misapplied to another hazard |
| Wear trial across tasks, temperatures, and sizes | Shows whether people can actually work in the equipment |
| Care, inspection, repair, and retirement instructions | Protects performance over the service life |
| Conformity documents for the sales market | Separates legal marketing claims from voluntary performance data |

For **total cost of ownership**, compare acquisition price with replacement interval, laundering, repairs, training, and wear compliance. A cheap garment that workers remove in heat may be an expensive choice; an expensive fabric with untested seams is not automatically better. A procurement pilot can record comfort, coverage, task performance, damage, near misses, and reasons for non-use, then use those findings to refine the specification.

## How has slash-resistant clothing evolved, and what comes next?

The central design shift has been from “the hardest barrier wins” toward **measured protection that people can wear and move in**. Early rigid or mesh solutions remain useful for some hazards, while high-performance textile fibers made lighter, more flexible garments possible. Modern cut tests improved comparisons by specifying blades, specimen preparation, and failure criteria. Yet the methods were often written for **gloves** or **torso armor**, leaving a gap between a fabric result and claims about an entire outfit.

Today’s evidence gap is therefore more practical than spectacular: consistent whole-garment coverage mapping, seam and closure testing, performance after cleaning, heat burden, and real-world adherence. Public data rarely support a universal claim that one textile family outperforms another, or that a given rating reduces fatal injury by a known percentage. A credible field study would define its population, exposure, product, wear compliance, injury outcome, and comparator before making such a claim.

Promising research includes shear-thickening systems, engineered knit architectures, improved fibers, and multifunctional layers. Graphene, nanocellulose, and responsive materials are research directions, **not automatically proven slash-resistant products**. Their path to deployment must address reproducible test performance, aging, laundering, cost, toxicity where relevant, manufacturability, and wearer comfort. Future standards work would benefit from realistic curved surfaces, multiple attack angles, wet and worn specimens, and whole-garment gaps, while preserving repeatable laboratory methods.

## What are the most common questions about slash-resistant clothing?

### Is slash-resistant clothing the same as stab-proof clothing?

No. A slash loads fabric with a moving edge; a stab loads it with a concentrated point. Buy a product tested for the specific threat. Even an NIJ-tested stab-resistant vest has defined blades, energies, penetration limits, and coverage, not universal knife immunity ([NIJ, 2000](https://www.ojp.gov/pdffiles1/nij/183652.pdf)).

### What is the highest cut level for EN 388 gloves?

For the ISO 13997-based straight-blade cut rating, it is **F (at least 30 N)**. EN 388’s circular-blade cut index also has a numeric **Level 5**; these are distinct results (EN 388:2016+A1:2018; [SATRA’s test guide](https://www.satra.com/ppe/EN388.php)).

### Can I compare EN 388 F with ANSI A9 directly?

No reliable one-to-one conversion should be assumed. Read the exact editions and underlying test reports. The labels use different classification schemes and may involve different sample or reporting rules.

### Is a 200 g/m² cut-resistant fabric enough for security work?

Areal density alone cannot answer that. Ask what hazard was tested, the actual cut or stab result, the protected area, the construction at seams and openings, and how it performs after care and during work.

### What should I check when choosing a cut-resistant shirt or hoodie?

Check the tested fabric and garment model, coverage of the neck, torso, axilla, arms and wrists, seam and closure design, wash-after-test results, and fit while reaching or sitting. A cut-resistant shirt or hoodie should be comfortable enough for the intended shift, but comfort cannot substitute for evidence of the specific cut or stab hazard.

### Does a cut-resistant neck guard protect against a knife thrust?

Not on the basis of a cut rating alone. Ask whether the **finished neck guard** was tested against a relevant stab threat and whether it remains in position while the wearer turns and speaks. A neck guard must also allow breathing, communication, and emergency removal.

### Are Kevlar, Dyneema, or graphene inherently knife-proof?

No. Para-aramid and UHMWPE are useful fiber families, but construction and testing determine performance. Graphene-containing products need the same independent evidence as any other material.

### Do puncture-resistant gloves stop needles or knife points?

Not necessarily. EN 388 puncture uses a specified stylus; it does not establish resistance to every hypodermic needle or knife tip. Match the test to the likely point and ask for a report on the actual glove construction ([SATRA, EN 388 guide](https://www.satra.com/ppe/EN388.php)).

### Do cut-resistant sleeves protect the wrist and underarm?

Only where the sleeve and its overlaps stay in place and the tested construction covers the area. Check the glove cuff and armhole in full range of motion. A sleeve’s cut report does not prove stab resistance.

### Can a slash-resistant shirt replace a stab vest?

Usually not for a credible stabbing threat unless the **shirt as a system** has appropriate stab evidence for the intended areas. A cut-rated fabric test cannot substitute for torso-armor testing.

### How many washes will protection survive?

There is no universal number or temperature. Follow the maker’s validated care label and request cut or stab retesting after the claimed laundering schedule.

### What should I do after a blade strike or major bleed?

Call emergency services and follow the [severe-bleeding response above](#when-a-blade-injury-causes-severe-bleeding). Use first-aid techniques according to training and local protocol. Remove struck PPE from service for inspection after the casualty is cared for ([ACS Stop the Bleed](https://www.stopthebleed.org/get-trained/)).

## What do the technical terms mean, and where are the sources?

– **Cut resistance:** Resistance to a moving blade under a stated test method; not immunity to cuts.
– **Stab resistance:** Resistance of a tested system to penetration by a specified point/edge at specified impact conditions.
– **Areal density:** Fabric mass divided by area, typically g/m².
– **ISO 13997 force:** Force associated with a specified cut-through distance under that method, expressed in N.
– **Coupe index:** Relative circular-blade cut index in EN 388, distinct from the straight-blade A-F letter.
– **Penetration depth:** Distance a test blade or spike enters a backing medium in a specified armor test.
– **ISO/IEC 17025 accreditation:** Recognition of a laboratory’s competence within an accredited scope; it is not a product safety mark.

**Further reading and standards**

1. **EN 388:2016+A1:2018**, *Protective gloves against mechanical risks*, and **ISO 13997:1999**, *Protective clothing – Mechanical properties – Determination of resistance to cutting by sharp objects*. See also [SATRA’s EN 388 testing guide](https://www.satra.com/ppe/EN388.php). For contractual thresholds, consult the controlled standard texts and verify the editions in force.
2. [US National Institute of Justice, *NIJ Standard-0115.00: Stab Resistance of Personal Body Armor*](https://www.ojp.gov/pdffiles1/nij/183652.pdf), sections 1-2 and table 1. Primary source for scope, threat classes, strike energies, and penetration limits.
3. [UK Health and Safety Executive, *Choosing the right gloves*](https://www.hse.gov.uk/skin/employ/gloves.htm). Hazard- and wearer-specific PPE selection principles.
4. [CDC/NIOSH, *Personal Protective Equipment*](https://www.cdc.gov/niosh/ppe/). Occupational PPE guidance.
5. [Regulation (EU) 2016/425 on personal protective equipment](https://eur-lex.europa.eu/eli/reg/2016/425/oj). Legal framework for EU PPE claims and conformity assessment.
6. [American College of Surgeons, *ACS Stop the Bleed: Get Trained*](https://www.stopthebleed.org/get-trained/). Describes training in direct pressure, wound packing, and tourniquet use. Practical training and local emergency protocols determine how to apply these skills.

### Who prepared this guide?

The [Smart Armours Team](https://smartarmours.com/) publishes information about protective clothing on smartarmours.com. This guide uses the standards and public guidance listed above and separates material test results from finished-garment claims. Named clinical and textile/PPE specialist reviews are pending; no individual professional credentials are claimed for this article.

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