How to use: You can wear this shirt on its own during warm days or layer it under a blazer in cooler weather. For a formal look, pair it with dress pants and polished shoes. For a casual style, jeans and sneakers will do the trick. Note: Make sure to check the size chart carefully before purchasing as each item may have a different size chart. Also, pay attention to the conversion between US and Asian sizes. Maintenance: It's best to follow the care instructions on the label. Generally, this silk - polyester shirt can be machine - washed on a gentle cycle. Use a mild detergent and avoid using bleach. Hang it to dry to maintain its shape and fabric quality.