I ordered a large. I wear an 8 in jeans. I thought the large would give modest coverage. I was too embarrassed to walk out of my bathroom in these. These suckers were so tight there was no mistaking I was clearly born female. I put them in the bag they arrived in and threw them in the closet. If you want to purchase these you could if you were going to wear them under something else AND purchase a couple of sizes larger than you would expect.