Standards

footwear classification as per protection level class identification
EN ISO 20347 – work footwear OB O1 O2 O3
EN ISO 20345 – safety footwear toe protection against impact up to 200 J
and pressure 15 kN
SB S1 S2 S3
symbol risks covered
basic requirements x x x x
SRA* slip resistance on ceramic floor tiles with NaLS** x x x x
SRB* slip resistance on steel floor with glycerine
SRC* slip resistance SRA + SRB
closed heel part o x x x
A antistatic properties o x x x
E energy absorption in heel area o x x x
FO resistance of sole to fuels (safety footwear) o x x x
WRU resistance of footwear upper to penetration and absorption of water o x x
P resistance of the bottom of the footwear to puncture up to 1100 N o o x
tread pattern outsole o o o x
x compulsory, basic requirement, it must be met for the given class
o optional, additional requirement, as per the customer’s requirement
* one of three requirements for slip resistance must be met
** NaLS – solution of sodium lauryl sulphate

Pictograms

A antistatic properties
E energy absorption in the heel area
FO resistance of sole to fuels
toe protection against impact up to 200 J
and pressure 15 kN
WRU resistance of footwear upper to penetration
and absorption of water
P resistance of the bottom of the footwear
to puncture up to 1100 N
extremely high toe protection to abrasion
M metatarsal protection
CI insulation of sole complex against cold
up to -17 °C
HRO resistance of sole to contact heat
up to 300 °C
HI isolation of sole complex against heat
up to 150 °C
SRA slip resistance on ceramic floor tiles
with NaLS
SRB slip resistance on steel floor with glycerine
SRC slip resistance SRA + SRB
without metal components
WR resistance to water
ESD electronic devices protection from
electrostatic discharge

Conversion table of footwear sizes

UK 3 3,5 4,5 5 6 6,5 7 8 9 9,5 10 11 12 13
EU 35 36 37 38 39 40 41 42 43 44 45 46 47 48
length 22,7 23,3 24,0 24,7 25,3 26,0 26,7 27,3 28,0 28,7 29,3 30,0 30,7 31,3

The size chart indicates the inner length of the shoe in centimeters. We recommend adding an excess of 0.7 cm to the total length of the foot to get the ideal shoe size.

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