The Haix Safety 40 MID is an S3 safety shoe that offers optimum protection on construction sites, even in the worst weather conditions. The safety shoes are permanently waterproof, very light and flexible and offer a high level of comfort. The shoes are real all-rounders and can be worn both indoors and outdoors. You can always rely on these Haix shoes. Maximum comfort and a perfect fit are guaranteed. The high safety shoes have been designed for the best possible comfort. The lightweight materials used in the shoes serve this purpose. The surface is made of microfibre and robust textile, which are highly breathable. The open-pored material allows air to circulate well and guarantees a balanced exchange of air.