| CATEGORY MEANING |
| Basic Function: |
Anti-slipping, Shock-absorption heel, Oil/fuel resistant, Weak acids/alkali resistant Outsole |
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SB - Basic safety footwear with steel toe-cap "200 J" |
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SBP – Same as SB + resistance to perforation |
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S1 - Same as SB + Closed seat region + A + E |
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S1P - Same as S1+ resistance to perforation |
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S2 - Same as S1 + WRU |
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S3 - Same as S2 + P +Cleated Outsoless |
| Additional marking symbols |
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P – Penetration resistant outsole tested at 1100 newtons |
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A – Electrical resistance between foot and ground of between 0.1 and 1000 Mega Ohms * |
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HRO – Heat resistant outsole compound tested at 300° C |
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E – Energy absorption of the seat region tested at 20 Joules |
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WRU – Water resistant upper leather |