Hello, it does not break or crack, sir. The product is a perfect fit and is orthopedic. You should buy according to your foot size. It is a comfortable shoe that will accompany you all day with its orthopedic insole, and it is a product that will meet both your need for elegance and comfort. The inner sole offers a soft and comfortable use, it does not cause sweating. It ensures you step firmly on the ground with its non-slip bottom base. It provides comfort for those who stand for a long time. It creates comfort with its lightness during walking and movement, and provides orthopedic support by grasping every part of the foot sole. Thanks to its structure suitable for foot anatomy, it provides comfortable use all day long. Shoes should never be washed or dried in a machine-this disrupts the integrity of their structure.