Historical clue formulations

• Jimmy Carter was the first president regularly seen in these — 2025-01-18
• Pants that are often blue — 2024-07-08
• Clothes that may come ripped — 2022-08-24
• Casual Friday wear — 2020-03-24
• Form-fitting casual wear — 2017-03-23
• Wardrobe item for which Obama claimed he was "unfairly maligned" — 2017-02-10
• Guess things — 2016-10-18
• Article of apparel with styles found at the starts of 17-, 26-, 41-, 51- and 66-Across — 2016-09-05
• "Democracy in fashion," per Giorgio Armani — 2015-10-23
• Guess attire — 2015-02-24
• Wranglers, e.g. — 2010-11-08
• Casual wear — 2009-09-30
• Levi's, e.g. — 2009-04-20
• Wranglers, e.g. — 2009-04-18
• Casual attire — 2002-02-14
• Cutoffs, maybe, before they were cutoffs — 1999-04-01
• Informal wear — 1998-12-20
• Wranglers, e.g. — 1998-01-21
• Weekend wear — 1996-05-02