To wear this blazer, simply button it up according to the double - breasted style. You can pair it with dress pants for work or jeans for a more casual weekend look. When it comes to care, since it's made of polyester, it's relatively easy to maintain. You can machine - wash it on a gentle cycle with cold water. Avoid using bleach as it may damage the fabric and the geometric pattern. After washing, hang it up to dry to keep its shape. Always check the specific care instructions on the label as different batches might have slight variations. Also, be careful when choosing the size. Make sure to refer to the size chart provided, as sizing can vary between suppliers and brands.