New, Unused Skechers Sneakers Slip-on Walking Memory Foam Breathable Low Rebound Hands-Free 25.5 cm These are sporty, slip-on walking sneakers with a sock-like comfortable Stretch Fit(TM) upper. By using Skechers Memory Foam, a low-rebound material, for the insole, the shoes fit your feet the moment you put them on. Machine washable.