How to use: Just slip your feet into the shoes and use the speed - lacing system for a quick fit. If you like, you can switch to the classic laces provided. These shoes are great for running, walking, or any outdoor activity in wet or dry conditions. Notice: Avoid wearing these shoes in extremely harsh chemical environments as it may damage the waterproof membrane. Maintenance: After use, wipe the shoes with a damp cloth to keep them clean. Let them air - dry naturally, and don't expose them to direct heat sources to maintain the integrity of the materials.