Historical clue formulations

• Garments worn at beach parties — 2019-07-19
• Wraps around an island? — 2015-01-10
• Polynesian wraps — 2014-11-03
• Some beachwear — 2009-06-21
• Skirts worn by both men and women — 2008-06-01
• Garments at a 44-Down — 2006-11-19
• Island attire — 2004-12-11
• Some beachwear — 2004-01-16
• One-piece outfits — 2003-04-26
• Luau wear — 2003-03-21