How to use: Just put on this blazer like you would any other jacket. It can be worn over a simple t - shirt for a casual look or paired with a dress shirt for a more formal occasion. Attention: Always check the size chart carefully before purchasing as different brands have different sizing. When washing, follow the care instructions on the label to keep it in good condition. Maintenance: It's best to machine - wash this blazer in cold water on a gentle cycle. Use a mild detergent. After washing, reshape it while it's still damp and let it air - dry. This will help maintain its shape and the quality of the corduroy fabric.