How to use: You can wear this blazer over a simple t - shirt for a casual look or pair it with a dress shirt and tie for a more formal occasion. It goes well with jeans, trousers, or shorts, giving you a lot of styling options. Attention: Make sure to check the size chart carefully before buying as different suppliers and brands may have different sizing. This will help you find the size that fits you best. Maintenance advice: Since it's made of polyester, it's easy to care for. You can machine - wash it on a gentle cycle. Avoid using bleach as it may damage the fabric. Hang it to dry to keep its shape. After drying, you can iron it on a low - heat setting if needed.