Size L Worn, washed, and line dried -can be worn 3 ways. Use the 2 straps to gently lift belly to help reduce bladder pressure. Straps can also separate for better motion control during activity such as running or be placed down low for more hip/pelvic support. Used by physical therapists and athletes world-wide. Maternity Large (37"-43" waist measurement pre-pregnancy) Size 12-20 prepregnancy