It is absolutely recommended to see the panty in the shop to be sure you find your right fit as these sets are made in small batches with variance within each size, but here's a reference point as a guide :) Pairs perfectly with the Bonnie Triangle and Bonnie Midline Bras. You can also get this undie in a brief version for more booty coverage.
Hips in CM
XS - 76-91
S - 91-99
M - 102-107
L - 107-112
XL - 112-119