A few weeks ago, Katie Holmes triggered an Instagram tsunami with her cashmere bra and cardigan, which swiftly sold out in under an hour (despite its combined $2K+ price tag). Well, for those wanting in on this now cooler than cool NYC-based brand--for a lot less!--head to snap up the line's go-to wide-leg , above, this forever-chic , this elegant satin crepe , and this white .