Patent ID: 8567098

Claim:
An article of footwear ( 1 ) comprising: a sole ( 3 ) having an outline of a foot, the sole defines a sole front, a sole center, and a sole rear; four straps ( 50 , 51 , 52 , 53 ) attached to the sole at opposite ends of the four straps, two straps ( 50 , 52 ) attached to the sole at the sole front and attached to the sole near the sole center, and two straps ( 51 , 53 ) attached to the sole near the sole center and attached to the sole at the sole rear, the straps reaching around a portion of a perimeter of the sole, and the straps detachably attached to the sole at one end of each strap; an upper ( 2 ) having the shape of the foot and open at the ankle; and slots ( 10 , 11 , 12 , 14 , 15 , 16 ) in the upper ( 2 ) to allow the straps ( 50 , 51 , 52 , 53 ) to enter and exit the upper ( 2 ), the engagement of the straps ( 50 , 51 , 52 , 53 ) with the slots ( 10 , 11 , 12 , 14 , 15 , 16 ) attaching the upper ( 2 ) to the sole ( 3 ).