SINGLE-BREASTED PANT PENCES SUIT Single-breasted pinstriped suit in wool, silk, and cashmere by E. Zegna, with a slim fit. The 3-button jacket is paired with trousers with double pleats. Made entirely in Italy with handcrafted steps that require about ten hours of work, the suit is characterized by a single button on the sleeve, a distinctive sign of the brand, inspired by the tradition of Neapolitan tailoring.