SB |
All basic requirements are fulfilled |
|
S1 |
All basic requirements are fulfilled, in addition
|
|
S2 |
Like S1, in addition
|
|
S3 |
Like S2, in addition
|
OB |
All basic requirements are fulfilled |
|
O1 |
All basic requirements are fulfilled, in addition
|
|
O2 |
Like O1, in addition
|
|
O3 |
Like O2, in addition
|
P |
Resistance to penetration |
|
HI |
Thermal insulation |
|
CI |
Cold insulation |
|
HRO |
Resistance of the outsole to contact heat |
|
WR |
Waterproofing of the entire shoe |
|
SRA |
Slip resistance indicator |
|
SRC |
Slip resistance indicator |