From SAS, the Bliss Flex Fabric Slip-Ons feature: Stretch flex fabric upper Slip-on construction Leather covered removable SAS Comfort Foot Bed: This removable foot bed is flexible, cushioned and comforts your foot from toe to heel 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 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 Approx. 1.5" heel Made in the USA.