This men's stand collar biker-style jacket is a great addition to your wardrobe. To wear it, simply zip it up and adjust the fit as you like. When choosing a size, make sure to check the size chart carefully as different items may have different measurements. If it's an Asian size item, go for a bigger size for a better fit. For maintenance, you can spot clean the jacket with a mild detergent and a soft cloth. Avoid machine washing to prevent damage to the faux leather and fleece inner. Hang it to dry and store it in a cool, dry place when not in use. With proper care, this jacket will last you a long time and keep you warm and stylish.