MEPHISTO LEON | Men Sneaker Black Leather Smooth. This finely perforated shoe, with its sporty look, guarantees an ideal fit. The detachable insole, with integrated SOFT-AIR technology, and the outsole, equipped with SHOCK-ABSORBER, minimise impact and guarantee 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 zip fastening allows you to slip into the shoe with effortless ease. Its lining is made of leather, with a touch of textile to ensure good foot hygiene.