How to use: Just put on this shirt like you would any other shirt. It's great for a casual motorbike ride or a night out at the club. Notice: Make sure to check the size chart carefully before purchasing to get the best fit. Different suppliers may have different sizing. Also, be aware that colors may vary slightly from what you see on your screen. Maintenance advice: This spandex shirt can be machine - washed in cold water. Use a gentle cycle and mild detergent. Don't bleach it. After washing, hang it up to dry to keep its shape. And that's it! You're all set to enjoy your stylish new shirt.