looks great on you! beautiful color too!
as for the leggings, it’s hard to say without knowing how stretchy the fabric is. but–my tendency would be to make them tighter where that is feasible. however, on the back, it looks like there is too much fabric on the upper back inner leg seam and under the rear (which is why there are horizontal folds there too). i would shorten the back inner leg seam only and/or consider doing a fish-eye fitting dart under the rear on a future pattern. the pattern for the back leg will be a little shorter than the front leg side. then, slightly stretch the (shorter) back 