These pants are a heavier twill than the pilcro chinos i bought from retailer earlier this year. these weightier wide leg trousers have a perfect drape. my size is between a petite 26 and a petite 27. the size petite 26 fit me well so i judge them to be a 1/2 size large. 
if i had written the review before washing them i would have given an overall rating of 5 stars. after washing once in cold water detergent and regular wash, the color lost a lot of blue. the color went from a wonderful fresh/sp