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The safety shoes refer to the following safety regulations.


UNI EN ISO 20344 standard

Test methodology and general requirements.


UNI EN ISO 20347 standard

Work shoes without toecaps. They are marked with the letter O (occupational = professional).


UNI EN ISO 20345 standard

Footwear falling under this standard is marked with the letter S (safety = safety).


The basic requirements are distinguished by the safety category SB :

  • Safety toe : resistant to a weight of 200 Joules

  • Sole : resistant to mineral oils and hydrocarbons

  • Upholstery : full grain leather, synthetic, suede


UNI EN ISO 20346 standard

They are substantially the same as safety shoes, but having the toe with 100J resistance they are marked with the letter P (protection = protection).

Consult the following table to find out the differences between the various categories, the basic requirements and the characteristics of the safety shoes:
Non-slip footwear (SRC)
The SRC optional requirement consists of two standards, SRA and SRB . This set of standards establishes the resistance of the sole to slipping.
The SRA standard requires that the slip resistance of the sole is tested on a ceramic surface covered with water and detergent.
The SRB standard provides for the resistance test on a steel surface coated with glycerin .
The SRC standard includes both methods.

All shoes manufactured by Zenith No Risk No Shock comply with the basic requirements and therefore have a non-slip sole resistant to oils and hydrocarbons, certified according to the SRC requirement, to give our customers maximum safety.


This type of sole is particularly suitable for example for transporters, couriers, plumbers and carpenters who run a high risk of slipping.

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