Albatros Safe Mid Shoes Properties: Upper material - waterproof full-grain leather/textile, lining - breathable safety footwear S3, steel toe cap, steel anti-puncture insert, SRC - anti-slip sole - double PU composition, E - energy absorption in the heel area, FO - oil resistance, WRU - water absorption resistance, A - antistatic footwear, DGUV 112-191 certification