To use this jacket, simply zip it up and adjust the stand - up collar as you like. It's great for casual outings in winter. When it comes to maintenance, you can spot - clean the PU cortex with a damp cloth. Avoid using harsh chemicals as they may damage the material. For the polyester lining, it can tolerate normal wear and tear. Store the jacket in a cool, dry place when not in use to keep it in good condition.