All he's missing are some mini, retro-inspired frames.

With a little help from dad Ben, Samuel Affleck headed out to dinner in L.A. Sunday, Nov. 4, looking oh-so-stylish. For his big night out, the nine-month-old rocked a plaid, flannel shirt and navy blue pants.

PHOTOS: Jennifer Garner's life as a supermom

Last month, Ben, 40, stopped by Jimmy Kimmel's late night show to talk about his film Argo -- and dish about life with his baby boy, whom he and wife Jennifer Garner welcomed in February. (They are also parents to Violet, 6, and Seraphina, 3).

"He's a great little guy," Ben shared. "He's got the face and physique exactly of Babe Ruth."

She might not be too thrilled with her husband drawing a comparison between their tot and the legendary baseball player, but at the very least,  Garner, also 40, agrees with his assessment of Samuel's personality.

PHOTOS: Jennifer Garner's maternity style

Their son "is so chill and mellow," she told Ellen DeGeneres this summer. "He reaches when he sees me and he laughs a lot. He thinks I'm super funny. What more do you want?"