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Armor is the category most riders get wrong twice. First they skip it entirely — riding with empty jacket pockets or the foam squares that came from the factory. Then they upgrade once and assume the job is done. Neither approach reflects how CE certification actually works, what Level 1 vs Level 2 means in a real impact, or where the meaningful protection gaps are in the average rider’s setup.
For vegan riders, the complications are simpler than in other gear categories. Most modern motorcycle armor inserts are already synthetic. D3O, SAS-TEC, Forcefield, and Knox all manufacture their core materials from engineering-grade polymers with no animal-derived components. The vegan risk in armor is peripheral — leather trim on standalone guard straps, wool inner pads on older designs, leather backing plates on some European-branded hard armor — but it is real and worth checking. This guide covers what to look for and why the eight products below cleared that bar.
Quick answer: For insert upgrades, the SAS-TEC SC-1/EVO3 (back, €49.99) and D3O Ghost Level 2 (knee, €39.99) are the highest-value CE Level 2 upgrades available. For a standalone back system, the Alpinestars Bionic Pro (€149.99) covers the full spine independently of any jacket. Hip upgrade: REV’IT! Seesoft Level 2 (€34.99) replaces almost any jacket’s factory hip inserts. For elbows without a compatible jacket pocket: Knox Aegis Evo (€79.99). Chest: Alpinestars Nucleon KR-Ci (€49.99).
The default state of a new motorcycle jacket in the €200–€400 price range is instructive. Most include shoulder armor (Level 1), elbow armor (Level 1), and a back pocket — often with either nothing in it or a thin foam pad that meets no CE standard. Hip and chest pockets are frequently empty. The jacket is CE-rated at the garment level, but the actual impact protection in the zones most likely to contact the road is at the minimum certification threshold or below it.
Road accident data consistently shows that impact injuries to the spine, shoulders, and knees are among the most consequence-laden in motorcycling — not because these impacts are most common, but because the injury outcomes are most severe. A fractured lumbar vertebra, a shattered kneecap, or a dislocated shoulder are not incapacitating-for-a-season injuries. They are life-altering ones. The difference between Level 1 and Level 2 armor in these zones is measured in kiloNewtons — not metaphorically, but literally in the test results.
The practical takeaway: check your jacket’s armor pockets and what is in them. Then check whether what is in them is CE Level 1 or Level 2. The upgrades in this guide range from €34.99 to €149.99. This is the most cost-effective category in motorcycle safety because the baseline is frequently so low.
Motorcycle armor is governed by three related but distinct EU standards under the EN 1621 family. Understanding which standard applies to which body zone is essential for comparing products accurately.
| Standard | Body Zone | Level 1 Max Force | Level 2 Max Force | Key Difference |
|---|---|---|---|---|
| EN 1621-1:2012 | Limbs: shoulders, elbows, knees, hips | ≤35 kN | ≤20 kN | 43% reduction in transmitted force |
| EN 1621-2:2014 | Back: thoracic and lumbar spine | ≤18 kN | ≤9 kN | 50% reduction in transmitted force |
| EN 1621-3:2013 | Chest: sternum and ribs | ≤18 kN | ≤9 kN | Same ratio as back; less commonly seen at Level 2 |
The back standard (EN 1621-2) has the most demanding Level 2 threshold for a structural reason: the spinal column tolerates less peak impact force than limbs before catastrophic injury occurs. A femur can absorb more before failure than a lumbar vertebra. The test standards reflect this biomechanical reality.
Testing methodology: the EN 1621 standards use a guided falling striker of defined mass dropped at defined velocity onto the armor placed on a calibrated anvil. The transmitted force is measured by a load cell in the anvil. The test is repeated three times; the mean transmitted force must meet the threshold for the claimed level. Both Level 1 and Level 2 require meeting the threshold on all three strikes — there is no allowance for a single outlier strike.
Shoulders, elbows, knees, hips
L1: ≤35 kN
L2: ≤20 kN
Most jacket inserts are L1
Thoracic + lumbar spine
L1: ≤18 kN
L2: ≤9 kN
50% force reduction vs L1
Sternum + ribs
L1: ≤18 kN
L2: ≤9 kN
Often absent from new jackets
One important nuance: EN 1621 certification is an insert-level certification. A jacket described as having CE Level 1 armor is certified because its included inserts met Level 1. If you remove those inserts and replace them with Level 2 inserts, your actual protection is Level 2, even though the jacket’s garment-level CE mark still reflects its original configuration. The upgrade market for armor inserts is precisely this — swap in Level 2 inserts into a jacket that shipped with Level 1 or nothing.
⚠️ Verify current certification at point of purchase — ratings may vary between production runs. Confirm EN 1621 compliance on the physical protector label before purchasing.
The motorcycle armor market has consolidated around four main polymer technologies, each with distinct performance characteristics. All four are entirely synthetic. Understanding the differences helps explain why some products suit certain applications better than others.
D3O is a non-Newtonian dilatant: at low strain rates (walking, bending, sitting) it flows and remains flexible. Under sudden high-strain-rate impact, the polymer chains lock and the material becomes rigid, absorbing and distributing impact energy. The mechanics are analogous to cornstarch in water, but at engineering polymer grade. The Ghost range achieves Level 2 at under 10mm thickness — the thinnest CE Level 2 knee option in the market. 100% synthetic; no animal-derived components at any stage.
SAS-TEC uses a viscoelastic polyurethane that behaves through a different mechanism: rate-dependent viscosity rather than dilatancy. The material absorbs energy by converting impact kinetic energy to heat through viscous flow within the polymer matrix. The SC-1/EVO3 is notable for being temperature-independent — it performs consistently from -10°C to +40°C, while standard foam inserts harden in cold and soften in heat. SAS-TEC manufactures inserts for OEM use in Rukka, REV’IT!, and other premium brands.
Forcefield’s Nirvana compound is a proprietary viscoelastic polyurethane elastomer developed in-house by the British brand. Like SAS-TEC, it is soft and conforming at rest, stiffening under impact load. The Pro Sub 4 uses Nirvana in a profiled multi-zone construction that follows spinal curvature — meaning the back protector maintains contact across the thoracic and lumbar zones rather than bridging over the natural spinal hollow. Four size options and trim marks allow fitting to tight jacket pockets. All synthetic.
Knox’s Micro-Lock is a strain-rate sensitive polymer: the material’s resistance increases exponentially with impact rate. At the strain rates of normal riding movement it is compliant; at crash-velocity impact rates it approaches the stiffness of a hard shell. The Aegis Evo uses Micro-Lock foam behind a rigid ABS outer shell — the outer shell handles abrasion and distributes initial load, the Micro-Lock layer absorbs and dissipates it. This dual-material architecture allows Level 2 performance in a standalone guard that can be worn over or under a jacket. All Knox armor is synthetic.
A note on Koroyd (mentioned in some armor specifications): Koroyd is a co-extruded polypropylene honeycomb structure used primarily in helmet liners and some ski/snow armor. It is not currently deployed in the motorcycle armor products in this catalog, but it appears in some jacket liner systems. It is synthetic and fully vegan-compatible.
Armor is the least risky gear category for vegan riders — but “least risky” is not “zero risk.” Most modern armor inserts from established brands are 100% synthetic polymers. The animal-product risk concentrates in specific areas:
The eight products in this guide have been verified through published material specifications and, where specifications were ambiguous, direct brand confirmation that no animal-derived materials are used in any component. Always check before purchasing: specifications can change between model years and production runs.
Hip fractures are among the most functionally debilitating injuries in motorcycling — the greater trochanter (outer hip bone) is poorly protected by soft tissue and fractures at forces well within those generated in a low-speed fall. Yet most motorcycle pants ship with Level 1 hip inserts or empty hip pockets. The REV’IT! Seesoft Level 2 hip protectors are the standard fix.
The Seesoft material is REV’IT!’s proprietary viscoelastic synthetic polymer — soft and pliable at rest, locking under sudden impact load. The Level 2 certification under EN 1621-1:2012 means transmitted force is kept below 20 kN, compared to Level 1’s 35 kN limit. That 43% reduction in transmitted force is the difference between a bruised hip and a fractured greater trochanter in the same fall scenario. No leather backing, no wool inner pad. Fully synthetic construction throughout — REV’IT! explicitly verifies vegan material sourcing across their armor range.
Compatibility: these inserts fit REV’IT! pants with CE hip pocket systems (most REV’IT! pants from 2018+) and many third-party pants with standard CE hip pockets (approximately 150 × 160mm). Check pocket dimensions before ordering. At €34.99 for a pair, this is the lowest-cost Level 2 upgrade in the catalog.
⚠️ Verify current EN 1621-1:2012 Level 2 certification at point of purchase — ratings may vary between production runs.
The D3O Ghost Level 2 is the benchmark for knee insert upgrades. At under 10mm thickness, it achieves CE Level 2 certification under EN 1621-1:2012 while being thinner and more comfortable than many Level 1 foam inserts. The non-Newtonian dilatant mechanism — soft at low strain rates, rigid under impact — means it does not add bulk to riding pants. This is the most frequently recommended knee upgrade in the industry for good reason.
D3O is a 100% synthetic material. The Ghost range contains no leather backing, no wool, no animal-derived adhesives. Machine washable at 30°C. Available in multiple profile shapes to fit different pants brands — check the D3O compatibility guide on the product page to confirm which Ghost variant fits your pants model. The Level 2 certification represents a 43% reduction in transmitted knee-impact force compared to Level 1 — relevant for any crash scenario involving ground contact on the outer knee or tibial plateau.
⚠️ Verify current EN 1621-1:2012 Level 2 certification at point of purchase — ratings may vary between production runs.
SAS-TEC is the OEM armor supplier behind many premium motorcycle jackets — the same German company that fills the back pockets of Rukka and Klim jackets makes the SC-1/EVO3 available direct as a retrofit upgrade. For €49.99, this is the most accessible route to a CE Level 2 back protector for riders whose jackets shipped with a Level 1 pad or an empty pocket.
The viscoelastic polyurethane is notable for temperature independence: standard foam inserts harden in winter cold (reducing energy absorption) and soften in summer heat (reducing impact resistance). The SC-1/EVO3 maintains consistent Level 2 performance from −10°C to +40°C — the entire range of European riding conditions. The EN 1621-2 Level 2 certification means transmitted spinal force is kept below 9 kN — half the Level 1 limit of 18 kN. This is not a marginal improvement. No leather backing, no animal-derived foam compounds. Entirely synthetic.
Available in multiple sizes for different jacket back pockets. Check your jacket pocket dimensions before ordering — most standard CE back pockets accept a medium SC-1/EVO3.
⚠️ Verify current EN 1621-2 Level 2 certification at point of purchase — ratings may vary between production runs.
Most jackets ship with no chest protection. This is the armor gap most riders have never considered. EN 1621-3 — the chest protector standard — covers the sternum and ribs, which have no surgical equivalent for the back. A sternum fracture cannot be pinned or plated — it heals passively over 6–12 weeks, or it doesn’t. In a forward impact scenario — low-siding into a barrier, T-boning a car — the chest contacts the road or obstacle before the back in many cases. The Nucleon KR-Ci is the answer for jackets with an empty chest pocket.
Alpinestars Nucleon foam is a closed-cell polyurethane elastomer — multi-density construction with a soft outer layer for low-speed contact absorption and a dense inner core for high-energy impact dispersion. CE Level 1 under EN 1621-3:2013 means transmitted force is kept below 18 kN at the sternum. Anatomically pre-curved to follow the sternum and rib cage. No leather components, no animal-derived adhesives, no wool. The harness webbing is 100% synthetic nylon. Universal fit for most jacket chest pockets — two sizes available.
⚠️ Verify current EN 1621-3:2013 Level 1 certification at point of purchase — ratings may vary between production runs.
The Forcefield Pro Sub 4 is the premium insert option for riders who want Level 2 back protection with a profiled fit to the spine’s natural curvature. Where the SAS-TEC SC-1/EVO3 is the best-value option, the Pro Sub 4 is the step up: anatomically shaped in multiple zones to maintain contact across the thoracic hump and the lumbar curve rather than bridging the natural hollow of the spine. This contact area matters — a back protector that only contacts two points on a curved spine effectively concentrates load at those two points under impact.
Forcefield’s Nirvana compound is a proprietary viscoelastic polyurethane elastomer — flexible and conforming at body temperature, stiffening under impact load. CE Level 2 under EN 1621-2:2014 means transmitted force below 9 kN across the full spinal coverage zone. Available in four sizes (S to XL) with trim marks on the perimeter foam for minor size reduction to fit tight jacket pockets. No leather, no wool, no animal-derived components. Forcefield manufactures entirely synthetic armor as a company policy.
⚠️ Verify current EN 1621-2:2014 Level 2 certification at point of purchase — ratings may vary between production runs.
Knox is a British brand with a single focus: armor. No jackets, no boots, no apparel — just protectors. The Aegis Evo elbow guards are the answer when a jacket has inadequate elbow protection, no elbow pocket, or Level 1 inserts in a pocket that doesn’t accept Level 2 upgrades. They strap on independently and work with any jacket or base layer.
Knox Micro-Lock is a strain-rate sensitive polymer: at normal movement rates it is soft and flexible, at crash-velocity impact rates it locks to near-rigid. Behind it, a hard ABS outer shell handles abrasion resistance on initial road contact and distributes load before the foam sees it. The result is CE Level 2 EN 1621-1:2012 certification in a standalone guard — transmitted elbow force below 20 kN. All strapping is synthetic nylon with hook-and-loop closures. No leather, no wool pad. The Aegis Evo has a significant following in the adventure riding community precisely because it adds Level 2 elbow protection to any kit without requiring a new jacket.
Available in S/M and L/XL — Knox sizing runs true. The strap system accommodates most forearm circumferences within each size band. Available at both FC-Moto and Andromeda Moto (the specialist vegan motorcycle gear retailer).
⚠️ Verify current EN 1621-1:2012 Level 2 certification at point of purchase — ratings may vary between production runs.
Held builds armor with the same attention to materials that characterises their glove range. The Visco knee protectors are their standalone strapped knee guards — CE Level 2 certified, with a dual-material construction that goes beyond what an insert-style protector can provide: a hard ABS outer shell for abrasion resistance in a slide, and Held’s Visco viscoelastic polyurethane inner layer for impact energy absorption. Insert-only options like the D3O Ghost have no outer shell — they rely on the pants fabric for abrasion protection. The Held Visco provides both.
The EN 1621-1:2012 Level 2 certification means transmitted knee force is kept below 20 kN — the same threshold as the D3O Ghost insert, but with the added protection layer of the ABS shell on slide contact. Two-strap system: upper thigh and lower shin with adjustable buckles for anti-migration in riding position. No leather knee cup, no wool inner pad. ABS outer shell, Visco PU inner, synthetic nylon strapping with polypropylene hardware. German manufacturing. Available in S, M, L, XL.
⚠️ Verify current EN 1621-1:2012 Level 2 certification at point of purchase — ratings may vary between production runs.
The Alpinestars Bionic Pro is the standalone harness-mounted solution for riders whose jackets have no back pocket, insufficient back pocket dimensions, or who want spinal protection independent of any single garment. It wears as its own garment under or over a jacket — a chest harness secures it in position regardless of what else is being worn. This makes it the right choice for warm-weather riders without a jacket, riders who share jackets between multiple people, and riders who want protection that doesn’t require managing a separate insert for each jacket they own.
Alpinestars Bio-Foam is a closed-cell EVA composite — a rigid external nylon shell handles abrasion and initial load distribution, the Bio-Foam inner layer absorbs and dissipates energy. CE Level 2 EN 1621-2:2014 certification means transmitted spinal force is kept below 9 kN across the full coverage zone from T1 (first thoracic vertebra) to L5 (fifth lumbar vertebra). This is full-spine coverage — no shortcuts. Integrated lumbar support ribs provide additional shape retention in the lower back zone during extended riding. Ventilation channels on the outer shell prevent heat buildup in warm conditions.
The harness system is 100% synthetic nylon with polypropylene buckles — no leather trim, no wool padding on any strap or contact zone. Three sizes available. Widely stocked across all four major EU affiliate partners.
⚠️ Verify current EN 1621-2:2014 Level 2 certification at point of purchase — ratings may vary between production runs.
| Product | Zone | Price | Standard | Level | Type | Vegan |
|---|---|---|---|---|---|---|
| REV’IT! Seesoft Hip L2 | Hip | €34.99 | EN 1621-1:2012 | Level 2 | Insert | ✓ Verified |
| D3O Ghost Level 2 Knee | Knee | €39.99 | EN 1621-1:2012 | Level 2 | Insert | ✓ Verified |
| SAS-TEC SC-1/EVO3 | Back | €49.99 | EN 1621-2 | Level 2 | Insert | ✓ Verified |
| Alpinestars Nucleon KR-Ci | Chest | €49.99 | EN 1621-3:2013 | Level 1 | Insert | ✓ Verified |
| Forcefield Pro Sub 4 | Back | €69.99 | EN 1621-2:2014 | Level 2 | Insert | ✓ Verified |
| Knox Aegis Evo | Elbow | €79.99 | EN 1621-1:2012 | Level 2 | Standalone | ✓ Verified |
| Held Visco Knee | Knee | €79.99 | EN 1621-1:2012 | Level 2 | Standalone | ✓ Verified |
| Alpinestars Bionic Pro | Back | €149.99 | EN 1621-2:2014 | Level 2 | Harness | ✓ Verified |
HideFree curates — we research published specifications, cross-reference CE certification documentation, verify affiliate links to ensure products are actively available from EU-shipping retailers, and apply a strict vegan verification process. No product in this guide was included based on brand relationships, commission rates, or manufacturer claims alone.
The shortlisting process excluded several armor products that perform well but failed the vegan verification requirement. Some European-brand standalone knee guards with leather knee cups, older German back protector designs with wool inner liners, and hard-shell elbow guards with leather backing panels were eliminated. Their exclusion reflects materials, not protection credentials.
Price data is correct as of March 2026 — check retailer pages for current pricing. For more vegan motorcycle gear, see the armor category for individual product pages, the jackets buying guide for CE jacket certification (EN 17092) which governs the garments these inserts fit into, and the gloves buying guide for EN 13594 hand protection — the only body zone not covered by the EN 1621 family.
Affiliate disclosure: HideFree uses affiliate links to retailers including FC-Moto, XLmoto, Louis, and Andromeda Moto. When you click through and buy, we earn a small commission at no extra cost to you. This is how we fund independent research. Rankings are based on protection specs, vegan verification, and value — never on commission rates.