| Safety requirement | SB | S1 | S2 | S3 | S4 | S5 | |
| SB | 200 Joule resistant toe cap | + | + | + | + | + | + |
| FO | Fuel oil resistant out-sole | + | + | + | + | + | + |
| A | Anti-static sole | + | + | + | + | + | |
| E | Energy absorbing cushioned heel | + | + | + | + | + | |
| WRU | Water resistant upper | + | + | + | + | ||
| P | Penetration resistant midsole | + | + | ||||
| Waterproof | + | + |
Basic requirements:
Safety footwear with a toe cap resistant to an impact of 200 Joules* with fuel oil resistant out-sole.
*200 Joules
This means the steel toe cap will withstand the impact of 20 kg in weight falling on to the toes from a height of 10.2 metres