Zero-rating for Protective Boots for Industrial Use is covered by the VAT Act 1994, section 30. See VAT Notice 701/23: protective equipment for further information.
Safety Footwear Standards Explained: EN345 / EN ISO 20345:2007 / EN ISO 20345:2011
ISO 20345:2011 specifies basic and additional (optional) requirements for safety footwear used for general purpose. It includes, for example, mechanical risks, slip resistance, thermal risks, ergonomic behaviour.
Special risks are covered by complementary job-related standards, e.g. footwear for firefighters, electrical insulating footwear, footwear protecting against chain saw injuries, chemicals, molten metal splash, and protection for motor cycle riders.
Safety Symbols Key
SB Impact and compression resistant toe cap.
S1 As SB + anti-static and have an energy absorbing heel.
S2 As S1 with water-resistant upper.
S3 As S2 with penetration resistant midsole.
S4 As S1 with waterproof polymer upper.
S5 As S4 with penetration resistant midsole.
SRH (Hybrid Footwear) Class II Waterproof Polymer & Leather Upper
HRO Resistance to high heat 300°C
E Heel Energy Absorption 20 Joules
P Penetration resistance 1100 Newtons.
CI Insulation against cold
WRO Water penetration resistant uppers