How to Use: You can pair this blazer with a simple white t - shirt and jeans for a casual look, or team it up with a dress shirt and dress pants for a formal occasion. It can also be worn over a sweater in colder weather. Attention: Always check the size chart carefully before buying to ensure a perfect fit. Since different suppliers and brands have their own size standards, choosing the right size is crucial. Maintenance: This polyester blazer is relatively easy to maintain. You can follow the washing instructions on the label. Usually, it can be machine - washed on a gentle cycle with cold water. Hang it to dry to keep its shape. Avoid using harsh detergents that may damage the fabric.