The Kaibab BIS S3 SRC is a water repellent nubuck safety boot with a steel toe cap. Water repellent nubuck upper Breathable synthetic external lining 100% polyamide fabric internal lining EVANIT footbed, made of EVA and nitrile special compound, with high bearing capacity and variable thickness Polyurethane/TPU sole Steel toe cap resistant to 200 J Non metallic APT PLATE midsole - Zero Perforation Italian Leather