MEPHISTO MELCHIOR | Men Goodyear Welt / Norwegian. The Goodyear stitching is a manufacturing process resulting in an exceptional fit for a gentle, effortless walk. The SOFT-AIR midsole and the SHOCK-ABSORBER, integrated in the outsole, minimise impact for a gentle, effortless walk. The AIR-RELAX technology respects the anatomy of the foot to prevent fallen arches. This lace-up shoe ensures optimum comfort and an excellent fit. Its leather lining promotes a healthy climate inside the shoe.