Sizes mentioned on the website are European standard sizes. Clothes fit normally, you can take your usual size.
If you usually use american sizing, upgrade of 1 size.
If you are a man and you take unisex fit, we suggest you to take your usual size.
If you are a woman and you take unisex fit, we suggest you to downsize. If you choose women fit, take your usual size.
Do not hesitate to contact the NKH customer support if you need advice about the size choice.