The Redbrick Saphire S3 model is a low work shoe with safety class S3. This Redbrick Saphire is a hip work shoe that looks a lot like a normal sneaker. The shoe is made of nubuck leather, a type of leather with a soft effect. The shoe also has a Cambrelle lining; so that the feet stay fresh and dry, a composite nose, kevlar midsole and the sole is wear-resistant, slip-resistant and anti-static. The shoe also doesn't look like a safety shoe, because the model looks more like a sneaker! The shoe has a removable insole