The Naturalizer Frances Wide Calf Boot is perfect to wear when you're rushing to a party after work. Built on N5 Contour Technology, it offers extra cushioning for a cozy, snug fit. The technology driven breathable lining, built-in heel cup, and patent pending contoured insole board provides comfort at every step. A heel-to-toe-balanced shape with block heel take care of functionality and its overall look. N5 Contour Technology Fabric lining Inside Zipper Man-made outsole Molded dual-density foa