Historical clue formulations

• Competition for boxers — 2023-08-13
• Snug-fitting underwear — 2022-05-29
• Underwear option — 2019-06-19
• Jockey wear — 2011-01-21
• Tighty-whities — 2007-02-25
• Boxers alternative — 2005-10-30
• Substitute for boxers — 2000-03-16
• They may compete with boxers — 1999-11-28