Skechers Shape-ups XF: Extended Fitness for Women ($110, skechers.com) has a Rocker-bottom curved sole that simulates walking on soft sand. (Photo by Bill Hogan/Chicago Tribune/MCT/Sipa USA Stock Photo - Alamy
Amazon.com | Skechers Women's Shape Ups 2.0 Comfort Stride Fashion Sneaker, Black/White, 11 M US | Walking