From SAS, the Viva Leather Slip-On Loafers feature: Soft premium leather uppers with dual elastic stretch goring on both sides of the instep help the shoe flex with your foot as you walk Functionable perforations allow air to circulate creating a cooler drier environment for your feet TRIPAD® Technology: Comfort system that provides shock-absorption and support to the three main pressure points of the foot: inside ball, outside ball and heel SAS CoolSTEP™ Footbed: An anti-microbial material wicks moisture away from the foot and helps reduce friction that can cause heat buildup. This footbed cups the heel for a more stable and comfortable walking experience SAS Lightweight Supersoft® Sole Millions of tiny air bubbles in our molded polyurethane sole provide shock-absorption and cushion each step. A Soft Step™ heel with a wide heel base adds stability and reduces heel shock These shoes feature a removable insole Approx. 1.25" heel height Imported.