These men's casual shirts are easy to wear. Just slip them on like you would with any regular shirt. When it comes to choosing the size, always remember to check the size chart carefully, especially if it's an Asian - sized item. You might want to go a size up. For maintenance, you can machine - wash these shirts in cold water with like colors. Use a gentle cycle to keep the fabric and the striped pattern in good condition. Avoid using harsh detergents that could damage the material. Hang them to dry or tumble dry on low heat. Iron on a low - medium setting if needed. With proper care, these shirts will serve you well for a long time.