Using these Keen Outdoor men's slip - on shoes is super easy. Just slip them on and you're ready to go for your daily activities or outdoor adventures. When it comes to maintenance, use a soft brush or cloth to gently clean the leather upper regularly. Avoid using harsh chemicals as they may damage the leather. For the mesh lining, you can spot - clean it with a mild detergent and water. Make sure to let the shoes dry naturally in a well - ventilated area, away from direct sunlight or heat sources. When not in use, store them in a cool, dry place. Also, if you notice the insole getting worn out, you can easily remove and replace it. Remember, these shoes are built for durability, but taking proper care will keep them in great condition for a long time.