| Protected Area |
Type of Protection |
Code |
| Steel Toe |
Basic Impact 200 joules including compression 15,000 newtons |
SB |
| 200 joule toecap protection. Closed seat region (fully enclosed heel). Antistatic properties. Energy absorption of seat region. |
S1 |
| 200 joule toecap protection. Closed seat region (fully enclosed heel). Antistatic properties. Energy absorption of seat region. Water penetration and water absorption resistance. |
S2 |
| 200 joule toecap protection. Closed seat region (fully enclosed heel). Antistatic properties. Energy absorption of seat region. Water penetration and water absorption resistance. Sole penetration resistance. Cleated outsole. |
S3 |
| Additional protections |
Outsole resistance to hot contact: up to 300 °C |
HRO |
| Penetration resistance offered by a steel midsole: 1100 newtons |
P |
| Heel energy absorption: 20 joules |
E |
| Water penetration-resistant uppers |
WRU |
| Electrical resistance |
Conductive: Maximum resistance 100 kΩ |
O |
| Antistatic: Range of 100 kΩ to 1000 MΩ |
a |
| Hostile environments |
Insulation against cold |
CI |
| Insulation against heat |
HI |