Top 5 knits and size recommendations:
1. Uniqlo, wearing XXS (sized down)
2. J.Crew - top in XXS skirt in XS (top is oversized and skirt fits true to size)
3. & Other Stories XS (true to size)
4. Sezane XS (true to size)
5. J.Crew knit (very oversized, size down! Wearing XXS)