Crossword puzzle clue "it's wrapped when worn"

It's wrapped when worn

It may not be worn when it's worn

A waistcoat worn in summer, compared to one worn in winter?

Joint wrapped in clean Kleenex (5)

"It is a riddle, wrapped in a mystery, inside an enigma; but perhaps there is ___": Churchill

Wrapped up

What might diversify a sausagefest by being wrapped around the sausages

Wrapped package of hay