Birkenstock's QO500 work shoe presents as a simple, modern sneaker with a water-resistant microfiber (WRU) upper which offers antistatic protection. The contoured removable footbed takes the strain off when standing and moving around at work for many hours. The nonslip oil and petroleum resistant outsole provides shock absorption around the heel allowing comfort even in demanding environments. Certified in accordance with EN ISO 20347:2012 and meets the requirements of protection category O2.