MEPHISTO PACO | Men Outdoor Shoes Black Leather Smooth. Whatever you are doing, this shoe is a versatile asset in all weathers. The SOFT-AIR midsole and the SHOCK-ABSORBER, integrated in the outsole, minimize impact for a gentle, effortless walk. AIR-BAG system for a comfortable walk: cares for your back, relieves your intervertebral discs and prevents back pain. The AIR-RELAX technology respects the anatomy of the foot to prevent fallen arches. Treated with HYDROPROTECT, this lace-up model offers increased water resistance, optimum comfort and an excellent fit. Its leather lining also promotes a healthy climate inside the shoe.