Patent ID: 7997010

Claim:
An outer sole of a shoe configured to contact a ground surface, the outer sole comprising: a toe portion for supporting a forefoot area of a person's foot; a mid portion attached to the toe portion, the mid portion for supporting an arch of the person's foot; a heel portion attached to the mid portion, the heel portion for supporting a heel of the person's foot; a first spine having a first end at the toe portion and a second end at the mid portion, the first spine having an hourglass shape and extending longitudinally from the toe portion to the mid portion, the first spine further including a first side and a second side; a first suspension portion connected to the first side of the first spine, the first suspension portion located proximal to the toe portion; a second suspension portion connected to the second side of the first spine, the second suspension portion located proximal to the toe portion and separated from the first suspension portion by the first spine; a second spine having a first end at the mid portion and a second end at the heel portion, the second spine having an hourglass shape and extending longitudinally from the mid portion to the heel portion, the second spine further including a first side and a second side; a third suspension portion connected to the first side of the second spine, the third suspension portion located proximal to the heel portion; and a fourth suspension portion connected to the second side of the second spine, the fourth suspension portion located proximal to the heel portion and separated from the third suspension portion by the second spine.