Men's Nunn Bush City Walk Slip-On Shoes The Nunn Bush City Walk Slip-On shoes are the perfect combonation of comfort and style. The durable man-made upper will go with just about anything you pair them with, while the breathable mesh lining delivers moisture management all day! The Comfort Gel insole combined with soft Memory Foam and the signature Softgel heel pod provides you with the ultimate experience in comfort. With the City Walk Slip-On you can also take every step in supported confidence with the lightweight EVA outsole that features a rolling impact zone that helps to transition the momentum of each step.