The Haix Safety 40 MID is an S3 safety shoe that is ideally equipped for 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 indoors and outdoors. You can always rely on these Haix shoes. Orthopaedically adjustable in accordance with DGUV 112-191, maximum comfort and a perfect fit. The high safety shoes have been designed to maximise 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. Weight has also been saved on the protective toe cap.