often made from rubber or foam textured for grip molded to match the shape of the foot designed to absorb shock and reduce wear often have cushioning for comfort can have various shapes, designs, and colors
undersole which often made from rubber or foam undersole which has textured for grip undersole which has molded to match the shape of the foot undersole which has designed to absorb shock and reduce wear undersole which often have cushioning for comfort undersole which can have various shapes, designs, and colors