Gorgeous, great quality, high cut briefs.
Please check measurements as not all brands are created equally!
These RUN SMALL!

For the ideal fit your waist should be somewhere in the middle
of the range not at the beginning or the end.

Size: 2XL 
Waist: 24-38"

Size 3XL
Waist: 26-40"

Size 4XL
Waist: 28-42"

Size 5XL
Waist: 30-44"