The midfielder took part in a media day for Lanvin, the club's official suit partner, and showed off his sharp look.
And the England star believes the Gunners will get a little bit more respect from opponents.
Stepping into Spring! Football Club sits front row for .
— LANVIN (@LANVINofficial) Wilshere said: "It's important that a club like Arsenal looks smart when we get off the bus.
"It's a great brand and I think other teams when they see us get off the bus and we look like we're all together and in the same suit, you know, we get a little bit more respect.
"If you look at all the big clubs throughout the league, Manchester United have got a suit, Liverpool, and we've only just got one in the last few years but it really shows the direction the club is going and the way we want to be thought about in this league.
"The brand's great. It's a french brand and the French always have great style. It's fitted, it looks good and the players love it."