safety footwear S3, protective steel toecap, anti-penetration steel midsole, technology Walkline® 2.0, Tunnel system® , E - energy absorption in the heel area, SRC - slip resistant sole - PU/rubber TriTech Plus®, CI, HI - insulation against cold and heat, HRO - resistance to hot contact until 300 °C, FO - resistance to fuel oil, A - antistatic, ESD - electro static discharge, WRU - water resistant upper