EN ISO 20345: 2011 S1-P SRA. Padded collar and tongue. Dual density polyurethane sole. Anti-static and energy absorbent heel. Steel toe-cap to EN20345 (200 joules). Steel midsole for underfoot protection. Sole resists petrol and oil. Sole slip resistant to SRA standard. Washing Instructions Do not wash - EN ISO 20345: 2011 S1-P SRA. Padded collar and tongue. Dual density polyurethane sole. Anti-static and energy absorbent heel. Steel toe-cap to EN20345 (200 joules). Steel midsole for underfoot protection. Sole resists petrol and oil. Sole slip resistant to SRA standard. Washing Instructions Do not wash