By peoplestaff225
October 21, 2008 02:30 PM

Humberto Carreno/Startraks

Actress Julianna Margulies and 9-month-old son Kieran Lindsay dress for the fall chill while taking a walk in their Soho neighborhood on Monday afternoon in NYC.

Dad is lawyer Keith Lieberthal, whom Julianna, 42, wed in November 2007 in Lenox, Mass.

Kieran rides in a Bugaboo Cameleon in off-white canvas/dark grey ($899).