Black felted wool skirt by Yves Saint Laurent, Rive Gauche label, circa late 1970s/ early 1980s vintage, measures to a US 6 or 8- please confirm below.
Narrow banded waist with left side hidden hook tab and hidden zip.
Gently darted shape, very slightly A- lined, falls to just below the knees.
Four panel construction- with front and back center seaming and welted side seams.
Slash pockets at hips, fully lined in silk/rayon.
In excellent vintage condition- a stellar designer basic!

Measurements:
29.5" waist
38" hips
40.5" hem circumference
25" length