ISO EN standards specification

"O"	CSN ISO EN 20347
The standard specifies work shoes for professional use, which is indicated by the letter "O". The basic parameter of work shoes is that it does not have a steel must built in.
We then divide work shoes into the following categories:
O	footwear meets only the essential requirements
O1	antistatic properties, resistance of the sole to fuel, energy absorption of the heel part
O2	as with O1 + water penetration and absorption
O3	as with O2 + puncture resistance

"P"	CSN ISO EN 20346
The standard specifies protective footwear for professional use, which is referred to by the letter "P". The basic parameter of protective footwear is the built-in steel rubber resisting impact 100J.
Protective footwear is then further divided into the following categories:
Pb	footwear meets only the essential requirements
P1	antistatic properties, resistance of the sole to fuel, energy absorption of the heel part
P2	as with P1 + water penetration and absorption
P3	as with P2 + puncture resistance

"S"	CSN ISO EN 20345
Specifies safety footwear for professional use, which is indicated by the letter "S". The basic parameter of safety footwear is the built-in steel rubber resisting impact 200J.
Safety shoes are then further divided into the following categories:
Coll	footwear meets only the essential requirements
S1	antistatic properties, resistance of the sole to fuel, energy absorption of the heel part
S2	as with S1 + water penetration and absorption
S3	as with S2 + puncture resistance
S4	as with S2 for footwear exclusively consist of rubber (vulcanized) or polymers (sprayed)
S5	as with S3 for footwear exclusively consist of rubber (vulcanized) or polymers (sprayed)

The values of the requirements that shoes must meet for professional use are specified by čsn ISO EN 20344.

A	Antistatic shoes
E	Energy absorption in the heel
P	Puncture resistance
Ci	Cold resistance
Hi	Thermal resistance of the bottom of the shoe
Fo	Resistance of footwear to fuel and oils
HRO	Resistance of the sole to contact heat up to 300°C
Wru	Resistance to water penetration and water absorption
EN20381/1-3	Cut protection with a chainsaw
Sra	Slip resistance of the sole
Src	Slip resistance of the sole
Wr	Water penetration resistance
F	Fire fighting protective shoes
Fp	Fire fighting protective shoes, puncture resistance of the sole
Fa	Fire fighting protective shoes, antistatic
Fpa	Fire fighting protective shoes, puncture resistance of the sole, antistatic
CR	Protection against cutting the upper of the shoe
M	Instep protection against impact

"F"	EN 15090:2012
Shoes for firefighters. Specifies safety footwear for fire fighting use, which is indicated by the letter "F"
Shoe markings:	Size Manufacturer type designation year and quarter of production en standard number and year
F1	External interventions without the need for protection against sole puncture, tip protection or chemical protection
F2	Fire fighting and rescue operations with sole puncture protection and protective tip, no chemical protection
F3	Fire fighting and rescue operations with sole puncture protection and protective tip, chemical protection
Added functions if not listed in type:
Hi	Thermal insulation
P	Penetration
T	protective spike
R	fixed spike protection
I	electro-insulating
A	Antistatic
Ci	cold resistance
Ch	chemical resistance
M	instep protection
AN	ankle protection
	pictogram with classification of suitable footwear
F1	mandatory F1
F1A	= F1 plus antistatic
F1AP	= F1A plus penetration resistance
F1I	= F1 plus electrical insulation
F1PI	= F1I plus penetration resistance
F2	mandatory F2
F2A	= F2 plus antistatic
F2I	= F2 plus electrical insulation
F3	mandatory F3
F3A	= F3 plus antistatic
F3I	= F3 plus eco-insulating

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