Birkenstock QO 400 Leather Slip On Shoe in Black。Everyday style, workday features. The QO400 slip-on 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 EU size 38, US women’s 7.5