This men's slim - fit long - sleeve embroidered shirt is a great addition to your wardrobe. To wear it, simply put it on like any other shirt. Button it up, and you're ready to go. For the best look, you can tuck it into your pants for a more formal style or leave it untucked for a casual vibe. When it comes to sizing, as mentioned in the product description, always check the size chart because different suppliers have different sizing. This will ensure you get a shirt that fits you perfectly. For maintenance, this shirt made of polyester and spandex can usually be machine - washed on a gentle cycle. Use a mild detergent and avoid using bleach as it might damage the fabric. After washing, it's best to hang it to dry to maintain its shape. With proper care, this shirt will last you a long time and keep you looking stylish.