Men's Nunn Bush Chase Work MTS Safety Shoes Polished style meets everyday comfort in the Men’s Nunn Bush Chase Work MTS Safety Shoes. This slip-on dress shoe is built with a smooth leather upper and elastic side panels for easy on and off. A cushioned Memory Foam insole ensures comfort through long hours, while the slip-resistant outsole provides stability on the job. Complete with a protective safety toe that meets ASTM standards, it blends professional style with workplace protection.