safety footwear S3, protective composite toecap - fiberglass, flexible anti-penetration FAP® midsole, anatomical footbed comfit® AIR footbed, SRC - slip resistant sole - rubber/midsole IMPULSE.FOAM®, E - energy absorption in the heel area, FO - resistance to fuel oil, HRO - resistance to hot contact until 300 °C, WRU - water resistant upper, ESD - electro static discharge, A - antistatic, full metal free, certification DGUV 112-191