These Sacuony men's walking shoes are super easy to use. Just slip them on and you're ready to go for a walk. When choosing a size, pick according to the available sizes from 7 to 13 and 14 for men. Make sure your feet are comfortable inside. As for maintenance, it's simple. You can use a soft brush to gently clean the dirt on the upper and outsole. Avoid using harsh chemicals as they might damage the shoe's materials. When not in use, store them in a dry and cool place. Also, if you're using them for professional foot treatment as recognized by APMA, follow your doctor's advice. Have a great walking experience with these shoes!