On a freezing morning in New York, Veeral Rathod cuts a dapper figure. Clad in a bespoke grey suit set off with a white pocket square, he orders a double espresso and starts talking animatedly about fabric artisans in the Italian mountains. But Rathod’s not a fashion designer from Milan. He’s a Dallas-based ex-Wall-Streeter who’s figured out how to sell made-to-measure outfits to men, using the same fabrics designers use, for a fraction of the cost.