This men's long - sleeve high - neck shirt is a great addition to your wardrobe. To wear it, simply button it up starting from the bottom. It's suitable for casual outings with a hip - hop vibe. When it comes to sizing, always refer to the size chart as different suppliers may have different measurements. If it's an Asian - sized shirt, go for a larger size. For maintenance, it's easy. You can machine - wash it in cold water with like colors. Tumble dry on low to keep the fabric in good condition. Don't use bleach as it can damage the polyester material. Hang it up to dry to prevent any wrinkles. This shirt will last you a long time if you take good care of it.