The QO 400 features:
- Removable, anatomically shaped cork-microfiber footbed
- Material: water-resistant smooth leather (WRU)
- Footbed lining: microfiber
- Sole: nitrile rubber (SRC)
- Details: nonslip and oil- and petrol-resistant outsole (SRC, FO); energy absorption around heel (E); antistatic protection (A)
- Safety shoe certified in accordance with EN ISO 20347:2012
- Protection category O2
