In case of doubt, we recommend sizing up. And, don't worry, you can adjust your selection anytime in your customer portal.
Jeans/skirt size < 5'9 > 5'9
00-0 XS S
2-4 S M
6-8 M L
10-12 L XL
14-16 XL 2XL
18-20 2XL 3XL
20-22 3XL 3XL