Slim fit: normal EUR/US size.
Relaxed fit: go 1 size up. (most customer prefer relaxed fit)
The second method is to choose recommended size according to your height and weight in size guide above.
lease make sure jacket chest is at least 20-30cm bigger than your chest.
For those people who's chest more than 120cm, please don't purchase this parka. It won't fit you. Thank you.