Who: Catherine Holstein, the much buzzed about Parsons grad who's friends include the Proenza boys, the Traina Sisters and Mary Kate Olsen
What: Her debut full fall collection at 75% Off. Femme Coats for $200.
When: Sat., 10 a.m.-6 p.m.; Sun., noon-6 p.m.
Where: 213 W. 35th St., b/t Seventh & Eighth Aves., 7th flr.