I am 5’0 ft tall 130lbs, big legs and butt, I got a large, I wear large in all workout attire, true to size. I absolutely love all the shorts from Corio active! They do not ride up, rarely do I pull them down, even on hikes with my two kids I don’t have to worry about them riding up or showing too much!!! They are so comfortable, help hold in my pooch comfortably. When you pull them out of the package you think “WOW these aren’t going to fit” but they do, they stretch, are silky smooth and cover it all!!! Thanks Katie!