Womens Navy Skirts at M&S MUN Navy Curve Yoke Sable 36" Skirt Womens Navy Skirts at M&S Navy Skirts M&S. The MUN MNS6039 Navy Curve Yoke Sable 36" Skirt is a midi length Sable style skirt with curved yoke detailing for subtle shaping in rich navy. The medium weight fabric feels smooth with gentle stretchsupportive yet refined, holding the yoke lines cleanly without bulk. When worn, it feels flexible and comfortable with no stiffness, draping smoothly for easy movement and a flattering skimming silhouetteall day polished ease.