These are the best shaper leggings in existence. I believe I have tried them all! These lift your butt, hold in your thighs/sides, and are the perfect length. I am 5'10 and a size 12 and I can wear the L or the XL without any issues and with the same support. The XL give me a little higher waist which is nice. I even starting using these as my workout leggings in addition to wearing them all the time for regular clothing. They are not see through, and they keep you supported all day. Plus the price is great. I have 5 pairs!