When Pieter Mulier joined Alaïa as creative director in 2021, he had the idea to one day create a collection entirely from white cotton poplin, an emblematic fabric of the late Tunisian couturier.
But after a discussion with Alaïa’s in-house fabric director, the Belgian designer settled on a different idea: a collection made entirely from a single wool yarn, which yielded one of the most memorable and striking fashion shows of…