To wear this vest, simply zip it up over your shirt or T - shirt. It's suitable for different seasons, you can wear it alone in mild weather or layer it under a coat in cold days. When it comes to cleaning, machine wash it in cold water on a gentle cycle to keep its shape and color. Avoid using bleach as it may damage the fabric. Hang it to dry to prevent shrinkage. With proper care, this vest will serve you well for a long time.