A shoe comprising: an upper , the upper forming an interior portion for receiving a foot, the interior portion including a toe cavity a heel cavity , and a first edge; a midsole , the midsole having (i) a toe end , (ii) a heel end , (iii) an inner side , and (iv) an outer side , wherein a perimeter of the midsole is stitched to the first edge of the upper thereby forming a bottom to the interior portion; a heel outsole patch stitched to a heel portion of a first face of the midsole; a toe outsole patch stitched to a toe portion of the first face of the midsole; an insole that is affixed to the bottom of the interior portion; wherein there is a spacing between (i) the heel outsole patch stitched to the heel portion of the first face of the midsole and (ii) the toe outsole patch stitched to the toe portion of the first face of the midsole, the spacing extending from the inner side to the outer side and occupying a position intermediate the toe end and the heel end thereby permitting the entire shoe to fold about an axis in the spacing running between the inner side and the outer side, the shoe is configured to fold between (i) an extended state wherein the heel outsole patch and the toe outsole patch are coplanar and (ii) a folded state in which the shoe is bent about the axis such that a portion of the upper comprising the toe cavity is tucked into the heel cavity, and the toe outsole patch or the heel outsole patch has a durability coefficient of between 0.8 and 1.5. an upper , the upper forming an interior portion for receiving a foot, the interior portion including a toe cavity a heel cavity , and a first edge; a midsole , the midsole having (i) a toe end , (ii) a heel end , (iii) an inner side , and (iv) an outer side , wherein a perimeter of the midsole is stitched to the first edge of the upper thereby forming a bottom to the interior portion; a heel outsole patch stitched to a heel portion of a first face of the midsole; a toe outsole patch stitched to a toe portion of the first face of the midsole; an insole that is affixed to the bottom of the interior portion; wherein there is a spacing between (i) the heel outsole patch stitched to the heel portion of the first face of the midsole and (ii) the toe outsole patch stitched to the toe portion of the first face of the midsole, the spacing extending from the inner side to the outer side and occupying a position intermediate the toe end and the heel end thereby permitting the entire shoe to fold about an axis in the spacing running between the inner side and the outer side, the shoe is configured to fold between (i) an extended state wherein the heel outsole patch and the toe outsole patch are coplanar and (ii) a folded state in which the shoe is bent about the axis such that a portion of the upper comprising the toe cavity is tucked into the heel cavity, and the toe outsole patch or the heel outsole patch has a durability coefficient of between 0.8 and 1.5. there is a spacing between (i) the heel outsole patch stitched to the heel portion of the first face of the midsole and (ii) the toe outsole patch stitched to the toe portion of the first face of the midsole, the spacing extending from the inner side to the outer side and occupying a position intermediate the toe end and the heel end thereby permitting the entire shoe to fold about an axis in the spacing running between the inner side and the outer side, the shoe is configured to fold between (i) an extended state wherein the heel outsole patch and the toe outsole patch are coplanar and (ii) a folded state in which the shoe is bent about the axis such that a portion of the upper comprising the toe cavity is tucked into the heel cavity, and the toe outsole patch or the heel outsole patch has a durability coefficient of between 0.8 and 1.5. <EOS>