What does the cryptic crossword clue "Premier with dress what we remember May for? (7)" mean?

The wordplay uses a charade (building blocks). TOP (synonym="=premier, best") + GEAR (synonym="=dress, kit") = TOPGEAR The answer is TOPGEAR.

Premier with dress what we remember May for? (7)

Independent Cryptic #11730 | 18 Down | 2024-05-15 flower