This men's spring jacket is a great choice for casual wear. To use it, simply zip it up and you're ready to go. When choosing a size, make sure to check the size chart carefully as different suppliers may have different sizing. This jacket is made of polyester, which is easy to maintain. You can machine - wash it on a gentle cycle with cold water and mild detergent. Avoid using bleach as it may damage the fabric. After washing, hang it to dry to keep its shape. The mandarin collar gives it a stylish look, and the rib sleeves add a touch of comfort. The pockets are not only decorative but also useful for keeping small items like keys or a phone.