Men's Nunn Bush City Walk Oxford Sneakers The Nunn Bush City Walk Oxford is the new king of casual. This lace-up Oxford is the modern take on a retro style and your closet is calling for it. The City Walk features a Comfort Gel insole that combines Memory Foam, a signature Softgel heel pod, and Smartscent technology that provides not only all day comfort and support, but it helps to eliminate those pesky odors! The durable and lightweight EVA outsole has a rolling impact zone that helps to transition the momentum of every step so you can walk with confidence in your stride.