Made with genuine leather, Nylon mesh lining, Removable EVA cushion insert, Slip, oil, heat, and abrasion resistant sole, Non-metallic - Safe for airports!, 6" shaft, It's all about simple style and comfort with these Fastener work boots by Grabbers. Made with genuine leather, these work boots feature a nylon mesh lining, a removable EVA cushion insert and they are non-metallic so they are safe for airports. Imported.