To use this jacket, simply zip it up and adjust the fit according to your comfort. You can wear it over a t - shirt for a casual weekend look or pair it with a dress shirt for work. When it comes to cleaning, follow the care label instructions. Usually, it can be machine - washed in cold water on a gentle cycle. Avoid using harsh detergents as they may damage the fabric. Hang it to dry to maintain its shape. Check the size chart before purchasing to ensure you get the right fit, as different suppliers and brands may have variations in sizing.