Find ISAIA Wool-cashmere-blend Drawstring Trousers on Editorialist. Hailing from the land of men's tailoring, it's no wonder these drawstring trousers by isaia boast the same sartorial panache as the brand's formal attire. Honing in on the plurality of urban life, the elegant silhouette makes for a smart look steeped in the Neapolitan tradition.