Good Afternoon. We appreciate your feedback. Member’s Mark has upgraded to our most comfortable fit ever, designed to feel more like real underwear. We have also adjusted our size guides to include our new size offerings, which may allow you to find an even better fit. You can refer to your waist size, pant size and/or weight to determine the best size for you. Women’s Small size fits waist sizes 20-30 inches, pant size 00-8 and weight range of 85-120 lbs. The new Women’s Medium fits waist sizes 31-37 inches, pant size 8-16, and fits a weight range of 115-190 lbs. The new Women’s Large fits waist sizes 38-44, pant size 16-22 and fits a weight range of 170-260 lbs The new Women’s XL fits waist size 45-64, pant size 22+ and fits a weight range of 200-300 lbs. If you are on the tail end of any range, consider sizing up. We aim to delight our members and promise to refund or replace any item you find unsatisfactory until you find the best size for you. Please call our Sam’s Club Customer Service line at 1 (888) 301-0332 and we will be happy to assist.