MEPHISTO ILKA | Women Ankle Boots Black Leather Nubuck. Easy to slip on and very comfortable, this ankle boot will satisfy all your daily needs. The SOFT-AIR midsole and SHOCK-ABSORBER help to minimise impact for an effortless walk with a spring in your step. The AIR-RELAX technology respects the anatomy of the foot to prevent fallen arches. In addition to the lacing, a side zipper allows easy and effortless entry into the shoe. The soft and warm lining ensures the thermal comfort of the foot in cold weather.