EN ISO 20345
Safety shoes are protective footwear that must be equipped with a toe cap. The toe protection made of steel, aluminium or plastic protects the foot reliably against pressure and impacts up to 200 Joule. Also, non-slip soles belong to the basic features of the safety shoes. The standard 20345 governs the basic requirements of safety shoes. Depending on the way the shoes are used and the respective requirements, one of the following safety levels needs to be selected: SB | S1 | S1P | S2 | S3 | S4 | S5 | S6 | S7
PROTECTION CLASSES UPDATE
Due to the adaptation of the EN ISO 20345:2022 and EN ISO 20347:2022, new safety classes are created to further subdivide the characteristics of safety and work shoes in the future. You can find further information on our
overview page.
EN ISO 20345
Safety shoes are protective footwear that must be equipped with a toe cap. The toe protection made of steel, aluminium or plastic protects the foot reliably against pressure and impacts up to 200 Joule. Also, non-slip soles belong to the basic features of the safety shoes. The standard 20345 governs the basic requirements of safety shoes. Depending on the way the shoes are used and the respective requirements, one of the following safety levels needs to be selected: SB | S1 | S1P | S2 | S3 | S4 | S5 | S6 | S7
PROTECTION CLASSES UPDATE
Due to the adaptation of the EN ISO 20345:2022 and EN ISO 20347:2022, new safety classes are created to further subdivide the characteristics of safety and work shoes in the future. You can find further information on our
overview page.
EN ISO 20345
Safety shoes are protective footwear that must be equipped with a toe cap. The toe protection made of steel, aluminium or plastic protects the foot reliably against pressure and impacts up to 200 Joule. Also, non-slip soles belong to the basic features of the safety shoes. The standard 20345 governs the basic requirements of safety shoes. Depending on the way the shoes are used and the respective requirements, one of the following safety levels needs to be selected: SB | S1 | S1P | S2 | S3 | S4 | S5 | S6 | S7
PROTECTION CLASSES UPDATE
Due to the adaptation of the EN ISO 20345:2022 and EN ISO 20347:2022, new safety classes are created to further subdivide the characteristics of safety and work shoes in the future. You can find further information on our
overview page.
EN ISO 20345
Safety shoes are protective footwear that must be equipped with a toe cap. The toe protection made of steel, aluminium or plastic protects the foot reliably against pressure and impacts up to 200 Joule. Also, non-slip soles belong to the basic features of the safety shoes. The standard 20345 governs the basic requirements of safety shoes. Depending on the way the shoes are used and the respective requirements, one of the following safety levels needs to be selected: SB | S1 | S1P | S2 | S3 | S4 | S5 | S6 | S7
PROTECTION CLASSES UPDATE
Due to the adaptation of the EN ISO 20345:2022 and EN ISO 20347:2022, new safety classes are created to further subdivide the characteristics of safety and work shoes in the future. You can find further information on our
overview page.
EN ISO 20345
Safety shoes are protective footwear that must be equipped with a toe cap. The toe protection made of steel, aluminium or plastic protects the foot reliably against pressure and impacts up to 200 Joule. Also, non-slip soles belong to the basic features of the safety shoes. The standard 20345 governs the basic requirements of safety shoes. Depending on the way the shoes are used and the respective requirements, one of the following safety levels needs to be selected: SB | S1 | S1P | S2 | S3 | S4 | S5 | S6 | S7
PROTECTION CLASSES UPDATE
Due to the adaptation of the EN ISO 20345:2022 and EN ISO 20347:2022, new safety classes are created to further subdivide the characteristics of safety and work shoes in the future. You can find further information on our
overview page.
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Safety Classes
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4 steps on the way to your safety shoes
Your work shoes accompany you all day every day, which is why we supply safety footwear that is breathable and very comfortable. Breathable materials prevent moisture build-up so that you don’t need to worry about wet feet. They also protect you from injury. Safety shoes are available in many sizes for both men and women, aswell as in many sizes and colors to perfectly suit your Strauss safety clothing.
Step 1 – What do S1, S2, S3 and Co. stand for?
The safety shoe classes in detail
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Basic Soe (toe cap and slip resistant) |
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Like SB + A (anti-static), E (energy is absorbed in the heel area) |
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Like S1 + P ( puncture resistant sole) |
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Like S1 + WPA (upper part of the sole is resistant to water penetration and water absorption for at least 60 minutes) |
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Like S2 + a puncture-proof sole and profiled sole |
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Basic shoes as completely waterproof safety boot with the additional requirements A and E |
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Like S4 + P (penetration-proof) with a profiled outer sole |
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Like S2 + also completely waterproof thanks to membrane and with a profiled sole |
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Like S3 + also completely waterproof thanks to membrane |
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A fuel-resistant sole according to EN ISO 20345:2022 is only an optional additional requirement – most Strauss safety shoes offer this performance nevertheless.
Safety shoes of the classes S1P, S3, S5 and S7 are equipped with a puncture-resistant sole made of metal or textile. Shoes that are certified to EN ISO 20345:2022 clearly indicate what type of penetration resistance this is. Textile insoles are marked with an additional S or L - if nothing is specified, it is a puncture-resistant steel midsole. An example:
S3: Safety shoes with metallic puncture-resistance
S3L: Safety shoes with textile puncture-resistance acc. to standard requirement
S3S: Safety shoes with textile puncture-resistance acc. to higher requirement
The difference in textile puncture protection lies in the diameter of the test nail used to apply pressure to the sole. The smaller nail diameter (3.5 mm) creates greater pressure, which is why the puncture resistance is rated higher (higher requirement) compared to a larger nail diameter (basic requirement).
Additional protective properties
- FO – Resistance of the shoe sole to hydrocarbons (oils, petrol, etc.)
- HI – Thermal insulation, protection against burns on the soles of the feet of up to 150 °C (on hot surfaces for a contact period of up to 30 minutes
- CI – Cold insulation of the sole, protects the feet against low temperatures and, in particular, cold surfaces
- HRO – Resistance to contact heat, brief exposure up to 300 °C
- ESD – Leak resistance of between > 0,1 Megaohm (1,0 x 105 Ohm) and < 100 Megaohm (1,0 x 108 Ohm)
Many Strauss S3 safety shoes are equipped with a dryplexx® functional membrane, going beyond the standard requirements. Thanks to their permanent and reliable protection against water penetration, these S3 shoes possess characteristics comparable to safety shoes of class S7.
What does ESD mean?
This is about preventing electrostatic discharging between two bodies, for instance human to human, or human to equipment or part. We have all experienced electrical shocks from a spark when touching a door handle. In companies that use sensitive equipment, the smallest of sparks could destroy parts or delete data. To prevent this you need to wear ESD shoes that prevent electrostatic charging. They are required for instance in the following operations:
ESD footwear is NOT suitable for electricians that work at sources with electrical voltage. |
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What is antistatic footwear?
The EU ISO Norm EN20345 and the EN20347 state that antistatic footwear should be used to reduce electrostatic charging and guarantee its discharge. They should therefore be worn wherever electrical shocks from equipment or parts are possible or where there is a risk that flammable substances could ignite on sparks.
