Generally speaking, our sizes are based on the following:

XS: 31-33" bust /  22-24" waist / 31-33" hip 
S: 33-36" bust / 24-26" waist / 33-36" hip 
M: 36-38" bust / 26-28" waist / 36-38" hip 
L: 38-40" bust /  28-30" waist / 38-40" hip 
XL:40-42" bust / 30-32" waist / 40-42" hip 
1X: 42-44" bust / 32-34" waist / 42-44" hip 
2X: 44-47" bust / 34-37" waist / 44-47" hip

Please refer to specific listings for more detailed information. We are more than happy to help with specific sizing questions if you use the contact link with your measurements and concerns! <3