This men's dark denim jacket is a great addition to your wardrobe. To wear it, simply zip it up and adjust the collar to your liking. When choosing a size, remember to check the size chart carefully 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 on a gentle cycle and tumble dry on low. Avoid using harsh detergents to keep the cotton material and wool liner in good condition. Keep it away from sharp objects to prevent damage to the fabric and zippers. Enjoy your stylish and comfortable jacket!