To use these Rieker men's shoes, simply open the zip and untie the laces, then slip your feet in and adjust the laces for a snug fit. When it comes to maintenance, wipe the shoes with a damp cloth regularly to keep them clean. Avoid wearing them in extremely muddy or dirty conditions. Store them in a cool, dry place when not in use. Also, don't expose them to direct sunlight for long periods as it might fade the black color. With proper care, these shoes will serve you well for a long time.