Size Guide

SIZE US  AUS UK  FR  ITY
XS 2 6 6 34 38
S 4 8 8 36 40
M 6 10 10 38 42
L 8 12 12 40 44
XL 10 14 14 42 46
XXL 12 16 16 44 48
SIZE US BUST (IN) WAIST (IN) HIPS (IN)
XS 2 31–32 24–25 35–36
S 4 33–34 26–27 37–38
M 6 35–36 28–29 39–40
L 8 37–38 30–31 41–42
XL 10 39–40 32–33 43–44
XXL 12 41–42 34–35 45–46
SIZE US BUST (CM) WAIST (CM) HIPS (CM)
XS 2 79–81.5 61–63.5 89–91.5
S 4 84–86.5 66–68.5 94–96.5
M 6 89–91.5 71–73.5 99–101.5
L 8 94–96.5 76–78.5 104–106.5
XL 10 99–101.5 81–84 109–111.5
XXL 12 104–106.5 86.5–89 114.5–117

More sizing details here.