A PPE Guide to Safety Footwear Standards

Are you choosing the right safety footwear for your needs? Then this classification guide may be of help


Safety footwear protects the wearer’s toes against risk of injury from falling objects and crushing when worn in work environments where potential hazards may occur. The midsole protects against the foot being pierced by underfoot objects.

Safety footwear can be recognised by the following standard: EN ISO 20345:2004. The classification system used to identify the protection provided by the footwear is listed below with a selection of sample footwear:

SB:  The presence of a safety toecap providing protection against impact injury to the toes caused by falling objects. Level of protection provided is 200 joules. Prevention of compression injury to the toes if trapped under a heavy object. Level of this protection is 15kN.

air cushion safety shoe FW26 SB standard Steelite Air Cushion Safety Shoe FW26

SBP:  As SB standard plus penetration resistance.

welted safety boot fw16 SBP standard Steelite Welted Safety Boot FW16

S1:  As SB standard plus closed seat region. Anti-static properties and energy absorption of seat region.

safety trainer FW15 S1 standard Steelite Safety Trainer FW15

S1P: As S1 standard plus penetration resistance.

oxford shoe FW47 S1P standard Steelite Executive Oxford Shoe FW47

S2:  As S1 standard plus water penetration and water absorption resistance.

laced safety shoe fw80 S2 standard Steelite Laced Safety Shoe FW80

S3:  As S2 standard plus cleated outsole and penetration resistance.

compositelite thor boot fc11 S3 standard Compositelite Thor Boot FC11

S4:  200 joule toecap protection. All rubber or all polymeric footwear with anti-static properties. Energy absorbtion of seat region.

white safety wellington fw84 S4 standard White Safety Wellington FW84

S5: As S4 standard plus cleated outsole and penetration resistance.

green safety wellington fw95 S5 standard Green Safety Wellington FW95