Sam Parven, a 26-year-old in D.C., considers dressing like an old man the ultimate style move. The advertising exec looks sharp in pleated pants, sweater ... The look—cardigans, high-waisted ...

Menswear tends to move in small, incremental nudges, but this particular sweater proliferated ... statement-making. “Cardigans always carry the connotations of an old man with a stash of mints ...

Sam Parven, a 26-year-old in D.C., considers dressing like an old man the ultimate style ... a collared cardigan like Lisa Yang’s sweater-jacket hybrids. When done right, V-neck sweater vests ...