Using these Maui Jim WAILUA sunglasses is easy. Just put them on your face like you would with any other sunglasses. They're great for outdoor activities like hiking, beach days, or just a casual walk. Remember to avoid leaving them in direct sunlight for long periods when not in use, as this can damage the lenses. To clean them, use a soft microfiber cloth and some mild lens cleaner. Gently wipe the lenses and the frame to keep them looking good. When you're not wearing them, store them in a protective case to prevent scratches and damage. And don't forget, the adjustable nose pads can be tweaked to fit your face comfortably, so take a little time to adjust them for the best fit.