It looks like the latex stirrup (you can't see the stirrup but that is usually how they are made) leggings are for a normal leg size. You can see the lower thigh all the way down to the ankles has normal tightness but the upper thigh area is overly tight because she has thicc upper thighs and ass.
Base +28, elda88 +25, CatgirlFanatic +7, guinea_dolores +6