In 2017 Patrik Ervell made a huge life change. Actually, three: He closed his own eponymous menswear label, moved from New York to Los Angeles, and started a job as Vice President of men’s design at Vince, known for plush sweaters and a low-key-yet-sophisticated vibe. “Everybody always says you move to California later in life,” Ervell says simply. “That’s the natural progression.” WSJ. caught up with the new(ish) Angeleno, whose first collection with the label is available in stores and online, to discuss “his” Vince, why California style is so influential right now, and, naturally, what kind of car he drives now that...