Women's button down Sierra Skirt check

For sizing double the waist and add one inch for stretch and which ever matches waist circumference of where you want to wear it will be the best fit 

so medium would be 29 plus 1 stretch" so would be good for a 30" waist approximately. 

unstretched/stretched in inches 

xxs 11.25/13

XS 12/14

S 13.5/15.5

M 14.5/16.5

L 15.5/17.5

XL 16.5/18.5

xxl 18/21

xxxl 21/24