A shoe, comprising: a toe section; an arch section disposed rearwardly of said toe section; a heel section disposed rearwardly of said arch section; a construction unit (no) comprising: an upper body comprising a body front portion and an opposing body back portion, opposing body side portions, a body top portion, and a body inner roof surface; wherein said upper body extends rearwardly from said body front portion and extends between opposing body side portions; wherein said body top portion surface is disposed generally at an upper first level; and wherein said body inner roof surface is disposed generally at a second level that is below said first level; a weight-bearing wall extending downwardly from at least a portion of said opposing body side portions and said body front portion; characterised in that said weight-bearing wall terminating rearwardly at right and left back wall margins and terminating downwardly in a wall bottom boundary lying substantially in a third level disposed below said second level; wherein said weight-bearing wall having a wall interior surface and a wall exterior surface; and an upraised area defined at least partially by said wall interior surface and said body inner roof surface; wherein said weight-bearing wall does not extend downwardly from a center of said body back portion; and wherein a rearward gap open space is defined below said center of said body back portion and between said right and left back wall margins to allow viewing of said upraised area. a toe section; an arch section disposed rearwardly of said toe section; a heel section disposed rearwardly of said arch section; a construction unit (no) comprising: an upper body comprising a body front portion and an opposing body back portion, opposing body side portions, a body top portion, and a body inner roof surface; wherein said upper body extends rearwardly from said body front portion and extends between opposing body side portions; wherein said body top portion surface is disposed generally at an upper first level; and wherein said body inner roof surface is disposed generally at a second level that is below said first level; a weight-bearing wall extending downwardly from at least a portion of said opposing body side portions and said body front portion; characterised in that said weight-bearing wall terminating rearwardly at right and left back wall margins and terminating downwardly in a wall bottom boundary lying substantially in a third level disposed below said second level; wherein said weight-bearing wall having a wall interior surface and a wall exterior surface; and an upraised area defined at least partially by said wall interior surface and said body inner roof surface; wherein said weight-bearing wall does not extend downwardly from a center of said body back portion; and wherein a rearward gap open space is defined below said center of said body back portion and between said right and left back wall margins to allow viewing of said upraised area. an upper body comprising a body front portion and an opposing body back portion, opposing body side portions, a body top portion, and a body inner roof surface; wherein said upper body extends rearwardly from said body front portion and extends between opposing body side portions; wherein said body top portion surface is disposed generally at an upper first level; and wherein said body inner roof surface is disposed generally at a second level that is below said first level; a weight-bearing wall extending downwardly from at least a portion of said opposing body side portions and said body front portion; characterised in that said weight-bearing wall terminating rearwardly at right and left back wall margins and terminating downwardly in a wall bottom boundary lying substantially in a third level disposed below said second level; wherein said weight-bearing wall having a wall interior surface and a wall exterior surface; and an upraised area defined at least partially by said wall interior surface and said body inner roof surface; wherein said weight-bearing wall does not extend downwardly from a center of said body back portion; and wherein a rearward gap open space is defined below said center of said body back portion and between said right and left back wall margins to allow viewing of said upraised area.