Comfort In Motion Footwear

A shoe, comprising:

• an upper;
• an insole having a substantially planar top surface and a bottom surface opposite the top surface;
• a space between the upper and the insole defining a cavity adapted to receive a wearer's foot;
• an outsole having a bottom surface configured to contact the ground and a top surface opposite the bottom surface, the top surface of the outsole being permanently secured to the bottom surface of the insole and to a perimeter of the upper, and the bottom surface of the outsole having a tread pattern comprising a series of lateral ridges and troughs;
• and
• a removable insert having a bottom surface configured to contact the substantially planar top surface of the insole and a top surface opposite the bottom surface and configured to contact a wearer's foot during wear, the bottom surface of the removable insert having a tread pattern that corresponds to the tread pattern of the outsole;
• wherein the removable insert is received within the cavity defined by the upper and the substantially planar top surface of the insole.