Beautiful pants! I don't even feel I have them on me. They are not suitable for ground fighting or other wear work as the silk is relatively sensible. For kicks and stand-up workout they are the most comfortable piece of equipment you can get.
The sizing info above is a bit tricky, because I need an S if we consider the sugestions above and the S pants I've just received are too long/large for me. I ordered together the other kung fu pants model and that is to the contrary - the size which should fit me is a bit too short for that model. But that has nothing to do with the quality of the product and these pants are really cool.  

Seems to be well constructed but doesn't quite match the size chart. I ordered a large and it is a little too big for me.  

Americans love the chinese style uniforms but not big enough for americans, especially if over 6.3 and muscular built need sizes 2X,3X,4X