I can't believe that I just now discovered these leggings. They are comfortable and flattering and not see through at all! Very versatile with a sweater and boots or to wear at the gym. I have to mention that these would be perfect traveling/plane pants with a long sweater. As a Pilates practitioner I can assure you that these leggings stay where they should and don't bunch or pinch in any pose. I have been an exclusive customer of another yoga clothing company but have been disappointed in the company moral, cost and quality lately. I have converted to Zella! I did get these leggings during the anniversary sale but will get more even at full price because they are so worth it! Fits true to size and long enough for us tall folks (I'm 5'9" and 140 and the medium fit perfectly)! I haven't sent these leggings through multiple washes yet but from what I can tell so far the quality of material is superior so I have no doubt that they will hold up!
The fabric is a lot thinner than I'm used to, and I usually wear Nike leggings or Lululemon, and the rise in the back has a more straight cut than a V-shape, which makes underwear visible sometimes. They are however, very soft and comfy and perfect for small butts. Can wear with basically anything.