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Safety Footwear Standards | MEES
MEES Safety Guide

Safety Footwear Standards Explained

Understanding safety footwear certifications helps you choose the right protection for your working environment. Whether you work in logistics, construction, industry or technical environments, knowing the key safety codes makes it easier to compare certified work shoes.

Main Standard EN ISO 20345
Most Used Levels S1, S2, S3
Important Features SRC, HRO, WRU, FO, ESD, P, CI

Key Safety Features

SRC
SRC
Anti Slip

SRC slip resistance means the outsole provides high grip on both ceramic and steel test surfaces. Essential for logistics and industrial workplaces.

HRO
HRO
Heat Resistant

HRO indicates an outsole resistant to heat contact up to 300°C, suitable for industrial environments and high temperature surfaces.

WRU
WRU
Water Resistant Upper

WRU materials reduce water penetration in the upper part of the shoe, improving comfort in wet environments.

NM
Non‑Metallic
Metal Free

Non‑metallic footwear uses composite components instead of steel, reducing weight and improving flexibility.

FO
FO
Oil Resistant

FO outsoles resist oils and fuels, making them suitable for workshops, maintenance and industrial environments.

ESD
ESD
Electrostatic Discharge

ESD footwear safely dissipates static electricity and is used in electronics manufacturing and technical workplaces.

P
P
Puncture Resistant

P means the footwear includes a protective midsole designed to prevent nails or sharp debris penetrating the sole.

CI
CI
Cold Insulation

CI certified footwear protects against cold environments and insulated floors.

How to choose the right safety shoe

Choosing the correct safety footwear depends on the environment you work in. The most important decision is the safety level combined with the right protection features.

  • S1 for dry indoor environments
  • S2 when water resistance is needed
  • S3 for construction and heavy duty work
  • Add SRC for maximum grip
  • Add FO for oil resistant environments
  • Add ESD for electronics workplaces
  • Add P when puncture protection is required
  • Add CI for cold environments

What does S3 mean?

S3 safety footwear includes toe protection, water resistance and a puncture resistant midsole.

What is ESD footwear?

ESD footwear prevents static electricity buildup in sensitive work environments.

Need help choosing the right protection level?

Explore the MEES safety footwear collection.

Explore Safety Shoes
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