Metal-free work shoes are now available from many manufacturers in our range. Metal-free toe caps made of plastic make a significant contribution to this. The plastic toe caps are certified according to standards and can withstand just as much as a steel toe cap. Steel is also not used for penetration protection. For a few years now, these have been made of textile materials such as Kevlar®, silk or other puncture-resistant textiles. These have to be sewn to the shaft in a special process, since they are actually puncture-resistant. The metal-free penetration protection helps the safety shoe achieve excellent wear properties. The absence of steel makes the safety shoe much more flexible and rolls better. Another clear advantage at this time of year is the insulating properties of a midsole made of Kevlar®, for example.