Abstract: A shoe includes a shoe upper portion made of flexible material, the upper portion including a foot border, a toe region, front-flex portion, arch region, rear-flex portion, and heel region. A split sole portion is secured to the bottom of the shoe upper portion, the sole portion including a front-sole portion under the toe region of the upper portion, a mid-sole portion under the arch region of the upper portion and a rear-sole portion under the heel region of the upper portion. The front-sole portion folds at the front-flex portion into the mid-sole portion and the rear-sole portion folds at the rear-flex portion into the mid-sole portion.