DAVID CASAVANT, 25, is a stylist with an eye, an education (Central St. Martins, though he dropped out to work for Carine Roitfeld) and a secret weapon: an archive of vintage Helmut Lang and Raf Simons, sought by Kanye West, Travis Scott and Rihanna: “She borrowed a 2001 Raf camo bomber just to wear for fun, like, down the street,” he says, adding that he charges up to $1,000 per week per item.
Raised in a Tennessee mountain town, Casavant began collecting clothing at 14. After assisting Roitfeld, he worked for Mel Ottenberg, Rihanna’s stylist, as well as Love magazine editor Katie Grand. While these connections helped, they didn’t build his collection for him.
“It became a business through hard work,” he says. “I woke up every day and looked…
