gramicci sizing is confusing, differing from website to website - at pam pam we are trying to make things as simple as possible for you guys. we use the japanese sizing, therefore if you're usually a medium - go for a large. 

here is the exact sizing measurements, although remember we use the asian sizing.

we hope this helps, as gramicci pants are undefeated for there both fashionable and functional look. without a doubt, an investment piece, and inevitably a timeless classic for years to come...