The shirt is unisex.
Nowadays clothes size is a very relative concept, so there are two options to determine it :)
The easy way is you select a size from the list.
A little bit harder: you can indicate your height, chest, body type, and fit preference, and we will choose the right size.
If you are worried about the shirt fit, please, send me your photo
via telegram and I will choose the best size for you.
The man's model is 185cm and wears a size L.
The woman model is 160cm and wears a size S.