For Southeast Asian manufacturers and exporters looking to sell on Alibaba.com, understanding safety footwear certifications is essential. The EN ISO 20345 standard is the globally recognized benchmark for safety shoes, and the S1P classification represents a specific combination of protective features that buyers actively seek for warehouse and light industrial applications.
The S1P designation breaks down as follows:
- S1 (Basic Safety Requirements): Includes energy-absorbing heel region, closed heel, anti-static properties, and fuel oil-resistant outsole
- P (Perforation Protection): Midsole protection against puncture from nails, glass, or sharp objects penetrating through the sole
This combination makes S1P shoes particularly suitable for indoor work environments where workers face moderate hazards: warehouses, logistics centers, light assembly facilities, and retail stockrooms.
S1P = S1 basic requirements + perforation protection. The P component prevents nails, splinters, and sharp objects from damaging foot soles. This is essential for warehouse workers handling pallets, crates, and construction materials where debris may fall or scatter on floors. [3]
Important Transition Note: The EN ISO 20345 standard was updated in 2022. Products certified under the 2011 version remain valid until November 2029, giving manufacturers a transition window. Key changes in the 2022 version include:
- Slip resistance is now a mandatory basic requirement (previously optional)
- Ladder grip (LG) code introduced for footwear suitable for climbing ladders
- Clearer classification hierarchy with S1, S2, S3, S4, S5 definitions refined
For sellers on Alibaba.com, this means you can legitimately market both EN ISO 20345:2011 and EN ISO 20345:2022 certified products, but should clearly specify which version applies.

