Everyday style, workday features. The QO500 lace-up sneaker is designed for on-the-job comfort and safety, from its fluid-resistant upper to its slip-, oil- and petrol-resistant outsole. Built on the trusted anatomic support of the BIRKENSTOCK® footbed—a difference you'll feel after long hours on your feet. The shoe is certified in accordance with EN ISO 20347:2012 and meets the requirements of protection category O2. Contoured cork-latex footbed shapes to you with wear Fluid-resistant, PU-coated smooth leather upper (WRU) Microfiber footbed lining Nitrile rubber sole (SRC) Slip-, oil- & grease-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