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
Skechers Womens Shape Ups XF Accelerators Walking Shoes Gray 12320 Lace Up 9 M | eBay