Size Guide

Size Guide

Find your UNDERDAY size using the measurements below. Measure over bare skin, with a soft measuring tape held snug but not tight.

US Size Waist Hip International Equivalent
XS [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS]
S [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS]
M [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS]
L [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS]
XL [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS]
XXL [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS] [MERCHANT TO PROVIDE MEASUREMENTS]

Between sizes?

If your measurements fall between two sizes, we generally recommend sizing up for a more comfortable, everyday fit — but this guidance may vary by style. Check the individual product page for style-specific fit notes once available.