What S Numbers Mean For Safety Footwear

I wear boots and I prefer steel toe capped boots. Recently I bought my first pair online sight unseen. While researching my choices, I noticed many pairs of boots advertised an S number. Here is what those S ratings mean: SB Basic safety S1 Closed seat region Antistatic properties Energy absorption of seat region S2 Closed seat region Antistatic properties Energy absorption of seat region Water penetration and water absorption S3 Closed seat region Antistatic properties Energy absorption of seat region Water penetration and water absorption Penetration resistance Cleated outsole S4 Antistatic properties Energy absorption of seat region S5 Antistatic properties Energy absorption of seat region Penetration resistance Cleated outsole Read more →