Extremely lightweight, flexible and comfortable, The New Portania Curvetures' polyurethane sole is nearly indestructible and can hold its own in the toughest environment - work or play. The contoured footbed molds to the shape of your foot, providing maximum support in the arch, metatarsal and heel areas to reduce foot fatigue and keep you in comfort all day.Available Colors: Black Nappa, Espresso Nappa.