MEPHISTO STACIE | Women Ankle Boots. This lace-up ankle boot is perfect for anyone seeking a piece with character. The SOFT-AIR midsole and the SHOCK-ABSORBER, integrated in the outsole, minimise impact for a gentle, effortless walk. In addition to the lacing, its side zip fastening makes it easy to slip on. The leather lining, combined with a touch of textile at the front, guarantees an optimum fit and perfect support of the instep and Achilles tendon.