Footwear must comply with standards (e.g., EN ISO 20345:2022 S1 PS SC FO SR or equivalent, EN ISO 20345:2011 S1P SRC, EN ISO 20345:2011 S3 CI WR SRC, EN ISO 20345:2011 S5 CI SRC, EN ISO 20347:2022+A1:2024 OB SR HRO FO).
Specific requirements for the upper, lining, insoles, soles (e.g., slip resistance, water vapor permeability, temperature resistance).