The Haix Safety 40 MID is an S3 safety shoe that provides optimal protection on construction sites, even in the worst weather conditions. These safety shoes are permanently waterproof, very lightweight, and flexible, offering high comfort. The shoes are true all-rounders and can be worn both indoors and outdoors. You can always rely on these Haix shoes. They are orthopedically adjustable according to DGUV 112-191, ensuring maximum wearing comfort and a perfect fit. The high safety shoes are designed for the best possible comfort, utilizing lightweight materials incorporated into the shoes. The surface is made of microfiber and robust textile, which are highly breathable. The open-pore material allows for good air circulation and guarantees balanced air exchange. Weight has also been minimized in the toe protection.