If I wear a 34 in the rivet chino what size would I be in the jeans ? I am worried about the thigh being to tight in the 34. Should I size up to a 36? Will the waste be to big? Thanks. I'm a true 34 and I bought the 34" jeans. They fit true-to-size. I don't need a belt, nor are they too snug. Take a look at my pic attachment above your post and maybe that will give you an idea. I soaked and dried them before that picture.