Vintage 1980s St Michael cotton blue/white stripe midi skirt M/L

The kind of skirt I’m always wearing and looking out for - a vintage wardrobe staple. 
80s St Michael midi skirt
100% soft cotton
White with blue stripes
Elasticated back of waistband
Buttons down whole front
Large patch pockets 
Label reads size 18 
More of a modern 14/16
Laid flat
Waist stretched fully 17 inches x1 side
Hips 25 inches x1 side 
Length 30 inches 
Wonderful vintage condition. Clean and fresh with no issues