This men's casual sweatshirt is a great addition to your wardrobe. To wear it, simply put it on over your head. It's very comfortable for daily activities like hanging out with friends or running errands. When it comes to sizing, remember to check the size chart as different suppliers may have different measurements. If it's an Asian - sized item, it's better to go a size up. For maintenance, you can machine - wash it in cold water with like colors to keep the fabric in good condition. Avoid using bleach as it may damage the material. Hang it to dry to prevent shrinking. This sweatshirt will serve you well if you take good care of it.