You'd think that a having a jacket like Lane's would break the clean line of the silhouette, and maybe it does, but it doesn't matter. The shoulders and lower back on the jacket form an arrow pointing down to the butt. The flare on the jacket bottom acts like a rising theater curtain, creating a reveal for what's below.
Wood rightly perceived that seamed stockings trump unseamed ones, at least in cartoon drawings. That fine little line catches your eye, and makes you want to follow it upward.
Seams (above) are no longer a manufacturing necessity, they're there for looks.
While I'm on the subject of backshots, I can't resist mentioning that I like the dynamism in photos that show a woman walking briskly away from the camera.
Does this (above) remind you of the Don Martin's gag where the chivalrous men shoehorn a fat lady onto an escalator?
Painter John Currin's women (above) would never have that problem. They're designed for the modern urban environment.