FAQ

Buying & Choosing a Stab Vest

What's the best stab proof vest I can wear under my clothes without anyone noticing?

For a vest that genuinely disappears under everyday clothing, you want a covert vest with thin armour panels — typically UHMWPE (Dyneema/Spectra) or a hybrid construction. These materials are lighter and more flexible than traditional aramid (Kevlar), making them better suited to concealed wear. For stab protection, our FlexGuard series uses flexible layered composite panels independently tested to NIJ 0115.00 Level 1 — thin enough for covert wear while providing verified stab and spike protection. For slash and puncture protection with maximum comfort, our SoftGuard series uses soft, fabric-like panels independently tested to 450N in EN388 puncture resistance (EN388 Level 4 threshold is 150N) — the most comfortable option for all-day wear, and is knife-proof. The carrier is designed to minimise printing when correctly fitted. The key factors for concealment are panel thickness, carrier design, and correct sizing — a vest that's too big will bunch up and become visible. For the full comparison, read our Stab Vest Buying Guide.

How much do I need to spend to get a real independently tested stab vest?

Entry-level independently tested single-threat vests (knife only, Level 1) start at £150-£300. Mid-range dual-threat vests (knife + spike, Level 2) run £300-£500. Multi-threat vests that add ballistic protection start at $500-$900 USD. If you see a vest priced below £100 on Amazon, eBay, or a general marketplace, it is almost certainly not independently tested. Independent lab testing costs money — if the price seems implausibly low, the protection is too. For the full breakdown with price tiers, see our Buying Guide.

What protection level do I actually need for everyday use?

For virtually all civilian and security use, NIJ 0115.00 Level 1 or KR1 + SP1 (Level 1) is the correct level. It is tested to withstand 24 Joules of knife and spike force — covering approximately 85% of the adult male population's maximum stabbing capacity. This is the standard specified for police officers on general patrol. Level 2 (33 Joules, covers ~90%) and Level 3 (43 Joules, covers ~96%) add weight and reduce flexibility, making them less practical for all-day wear. Unless you work in a prison, high-risk tactical unit, or face a specific elevated threat, Level 1 is what you need. For the full energy tables and decision guide, see our Certification Guide.

How do I know if a stab vest is real or fake?

Three steps, takes five minutes: (1) Ask the seller for the independent lab test report from a named, accredited test house. In the UK, that means SATRA Technology Centre (Kettering) or QinetiQ. Confirm the laboratory holds ISO 17025 accreditation. If they cannot produce the report, stop. (2) Check the report names the specific standard — CAST 2017, HOSDB 2007, or NIJ 0115.00 — and the level achieved. "Tested to KR1 standards" without a report from an accredited lab is marketing, not verification. (3) Look for the verification label inside the vest. UK-tested armour must carry an internal label with manufacturer name, model number, batch number, protection level, and test house reference. If any of these are missing, the vest has not been independently verified. For the complete checklist, read our 5-Minute Verification Guide.

Should I get a covert or overt stab vest?

Covert (under clothing) is right for most people — civilians, plainclothes security, and anyone who wants protection without broadcasting it. It is lighter, more flexible, and designed for all-day wear under regular clothes. Overt (over clothing) suits uniformed security, door supervisors, and police — roles where visible armour provides a deterrent effect and where you may need MOLLE attachment points for equipment. For a side-by-side comparison of every factor, read Covert vs Overt: Choosing the Right Vest.

Legal & Regulatory Questions

Are stab proof vests actually legal in the UK? Do I need a licence?

Yes, completely legal. No licence or permit required. Stab-proof and bullet-resistant body armour is classified as protective equipment under UK law, not a weapon. You can legally purchase, own, and wear body armour in public for personal protection. There is no restriction on buying online or in person. The only legal nuance: wearing body armour while committing a crime may be treated as an aggravating factor in sentencing. Exporting body armour from the UK requires an export licence. For the full country-by-country breakdown (US, Canada, Australia, EU, NZ), read Are Stab Proof Vests Legal? UK and International Laws.

Can I wear a stab proof vest in public without getting in trouble?

Yes. There is no UK law prohibiting you from wearing stab-proof body armour in public, on public transport, in shops, or in any other public place. It is protective equipment, the same legal category as a bike helmet or steel-toe boots. That said, visible body armour may attract attention or questions from police in certain contexts (e.g., at a protest or in an airport). For everyday discreet wear, a covert vest worn under your clothing eliminates this concern entirely.

Will I get stopped by police for wearing a stab vest?

If you are wearing a covert vest under your clothing, no one will know you are wearing it — including police. If you are wearing an overt vest visibly in public, police may stop and question you about why you are wearing body armour, particularly in sensitive locations (airports, government buildings, public events). Wearing body armour is not an offence, but police have the power to stop and ask questions if your behaviour or appearance gives them reasonable grounds. Being cooperative and explaining your occupation or reason for wearing it resolves the situation in virtually all cases.

Protection & Performance

Will a stab proof vest stop a bullet?

No. Stab-proof and bulletproof are entirely separate protection categories using different materials and construction methods. Bulletproof armour catches and deforms fast-moving projectiles using tightly woven fibres. Stab-proof armour creates a physical barrier against sharp edges and points. A vest tested to NIJ 0115.00 or CAST KR1/SP1 protects against knives and spikes — it will not stop a bullet. If you need ballistic protection, you need a vest tested to NIJ 0101.06 (or its successor 0101.07) or HO1 (UK Home Office ballistic) standards. Always check which threats a vest has actually been tested against — never assume one implies the other. For the full explanation, see our Certification Guide.

Is Kevlar stab proof?

Not on its own. Standard ballistic Kevlar (woven aramid fibre) is designed to catch bullets — a sharp knife can slip between the fibres and penetrate. Kevlar can be made stab-resistant through lamination, tighter weaves, or combining it with other materials (chainmail, carbon fibre, UHMWPE), but a standard bulletproof Kevlar vest offers essentially no stab protection. This is why multi-threat armour that claims both ballistic and stab protection uses complex hybrid constructions. For the materials deep-dive, read Kevlar vs Dyneema vs Chainmail: Stab Armor Materials Compared.

What's the difference between stab proof and slash proof?

Stab-proof protects against the point and edge of a blade driven directly into the body — a thrusting or stabbing motion. Tested in Joules of impact energy (NIJ 0115.00 Level 1 = 24J, CAST KR1 = 24J). Slash-proof protects against a blade drawn across the surface — a slicing or cutting motion. Tested in Newtons of cut resistance (EN388 blade cut test). A vest can be stab-proof without being fully slash-proof, and vice versa. Most independently tested stab vests provide meaningful slash resistance, but they are separate tests. ArmorLite FlexGuard panels are independently tested to NIJ 0115.00 Level 1 for stab protection. ArmorLite SoftGuard panels are independently tested to 450N in EN388 puncture resistance (EN388 Level 4 threshold is 150N) for slash and puncture resistance (knife-proof). Always check which threats a garment has been tested against.

How does a stab proof vest actually work?

A stab-proof vest works by creating a physical barrier that a sharp blade or spike cannot penetrate. Unlike bulletproof armour, which catches and deforms a projectile, stab armour must resist a slow, high-pressure cutting action. It does this through layers of tightly engineered materials — typically UHMWPE (Dyneema), laminated aramid (Kevlar), or chainmail — that blunt the blade tip, resist the cutting edge, and distribute the force across a wider area. The backing material (foam and neoprene layers) absorbs residual energy and prevents blunt force trauma. For the full explanation with diagrams, read How Does a Stab-Proof Vest Actually Work?.

Use, Care & Practicality

Can I wear a stab proof vest under a t-shirt?

Yes — this is exactly what covert vests are designed for. Modern armour panels are thin and flexible enough to sit flat against your body when correctly fitted. Our FlexGuard panels (stab-proof) and SoftGuard panels (slash/puncture-resistant, knife-proof) are both designed for covert wear. The key factors are: choosing a vest specifically designed for covert wear (not a bulky overt model), getting the right size (too big = bunching, too small = riding up), and wearing it with a fitted but not skin-tight shirt. In warm weather, a slightly looser t-shirt or a short-sleeved button-up worn open over it helps with concealment.

Can I wash my stab proof vest?

The outer carrier: yes. The armour panels: never. Remove the protective panels from the carrier before cleaning. Machine wash the outer carrier in cold water on a gentle cycle with mild detergent. No bleach, no fabric softener. Air dry or tumble dry on low. The armour panels should only be spot-cleaned with a damp cloth and mild soap, then wiped dry immediately. Never submerge, soak, or machine wash the panels — water damage degrades the protective materials. For full care instructions, see our Care Instructions page.

How long does a stab proof vest last before I need to replace it?

The industry standard service life is 5 years from the date of manufacture, subject to proper care and regular inspection. Factors that reduce lifespan: daily wear (compression cycles degrade materials), exposure to moisture and humidity, UV/sunlight exposure, poor storage (folding, creasing, heavy objects on top), and lack of cleaning. A well-cared-for vest stored flat or hung on a padded hanger in cool, dry conditions can last longer, but manufacturers typically recommend re-testing or replacement after the 5-year mark. Inspect your vest before every wear for tears, fraying, delamination, or visible panel damage.

Is a stab proof vest uncomfortable to wear all day?

A well-fitted vest using modern armour panels is comfortable for all-day wear. Many wearers report forgetting they have it on after the first hour. The key factors are: correct sizing (measure your chest, waist, and seated torso length — do not rely on your clothing size), panel type (SoftGuard is a knitted construction similar in weight and feel to a thick thermal layer — lightweight for body armour, breathable — and is knife-proof; FlexGuard uses flexible composite panels — stab-proof with a more structured feel), and carrier design (adjustable shoulder and waist straps, breathable materials). The most common comfort complaint is heat buildup in summer — choosing a vest with moisture-wicking carrier fabric helps. For sizing guidance, see our Size Guide.

Do security guards actually need stab vests?

Security workers face elevated workplace violence risk. HSE data shows protective service occupations experience violence at 6.8% — roughly six times the national average of 1.2% (HSE, Violence at Work 2024/25). The British Retail Consortium reported 70 weapons incidents per day against retail staff in 2025. Security roles in retail, door supervision, and lone-working carry disproportionate exposure to edged-weapon threats. Whether a stab vest is appropriate depends on your specific role, the risk assessment for your workplace, and your employer's policy. For the full data, see our UK Knife Crime Statistics page.

About ArmorLite Products

Does it protect the front and back?

FlexGuard Series covers front and back by default — flexible protective panels are built into the front and rear of the garment, providing stab-proof protection (independently tested to NIJ 0115.00 Level 1) across the full torso. SoftGuard Series is made from slash and puncture resistant textile and protects all areas covered by the textile — wherever the fabric wraps your body, you have EN388-tested slash and puncture resistance (achieving 3 times Level 4 requirements). SoftGuard is knife-proof. The extent of coverage depends on the specific garment design — jackets offer full arm coverage, while vests focus on torso protection. Check individual product listings for coverage diagrams and details.

What makes ArmorLite stab proof clothing different?

ArmorLite garments have independently lab-tested protective panels integrated into the design — jackets, coats, hoodies, and t-shirts that look and wear like normal clothing. Our FlexGuard panels are independently tested to NIJ 0115.00 Level 1 for stab and spike protection by accredited third-party laboratories. Our SoftGuard panels are independently tested to 450N in EN388 puncture resistance (EN388 Level 4 threshold is 150N) — knife-proof, designed for risk mitigation, breathability, and all-day comfort. SoftGuard is a knitted construction similar in weight and feel to a thick thermal layer. For the technical deep-dive, read How Our Stab Proof Technology Works.

What's the difference between FlexGuard and SoftGuard?

FlexGuard Series prioritises heavy-duty protection — designed and tested against NIJ 0115.00 Level 1 stab-proof standards — while providing mobility through flexible protective panels built into the garment. It is engineered for scenarios requiring agility and resilience, such as active combat or tactical operations. This series is ideal for law enforcement, security personnel, or anyone needing to stay nimble while facing high-impact risks. Its design ensures unrestricted movement without sacrificing safety. Covers front and back by default.

SoftGuard Series emphasises comfort and subtlety. It offers moderate knife resistance — designed and tested against EN388 standard, achieving 3 times Level 4 requirements — effective against everyday or lighter threats, such as concealed carry risks. Made from slash and puncture resistant textile, it protects all areas covered by the textile. Super soft and air-breathable, it is perfect for daily protection on uncertain streets, corporate security, or extended wear in environments where blending in is essential. SoftGuard provides reliable defence while maintaining all-day comfort. It is knife-proof. For verified stab protection against weapon-level thrusts, see FlexGuard.

For the full feature comparison table, see our Buying Guide.

Where can I try on or buy ArmorLite products in person?

ArmorLite is primarily an online retailer at armorliteshop.com. We ship to UK addresses with free delivery. If you need help with sizing or product selection before ordering, contact our team — we can guide you through measurements and recommend the right product and size based on your needs. We also have a detailed Size Guide with measurement instructions for every product line.