Fashion Fashion Freeze Frame: Mad Men Season 3 By InStyle Editors InStyle Editors Instagram Twitter InStyle's mantra is "Everybody's in," and that means anyone who finds their way to our stories should find themselves reflected in them. We prioritize bringing the right writer to every story and sometimes collaborate as a team to ensure we're including points of view across race, gender expression, body size, skin and hair type, and more. Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. For more about our team, click here. InStyle's editorial guidelines Updated on July 23, 2014 @ 04:41PM Pin Share Tweet Email Photo: Carin Baer/AMC Fashion Freeze Frame: Mad Men Season 3 01 of 03 January Jones as Betty Frank Ockenfels/AMC "Betty's look is more modern than in previous seasons," says Mad Men costume designer Katherine Jane Bryant. "Here, Betty is shopping in town in a linen dress with a polka dot silk sash." 02 of 03 Christina Hendricks as Joan Carin Baer/AMC "This vintage crepe sheath with rose appliques is different for Joan," says Bryant. "She's entertaining at home in this scene, and we rarely see her out of the office." 03 of 03 Elisabeth Moss as Peggy Carin Baer/AMC "Peggy is playing with the boys now, so I like to maintain that perky, conservative style in a vest, blouse and pleated skirt," says Bryant.