Very few of the males wore the bag of fruit. ‘Suits’ were becoming the contemptuous synechdoche now used in reference to members of the executive/managerial elite.
The bloke's suit looked made-to-order for someone else's body, not so much a bag of fruit as a crate of it, and his hat band was twice the normal width, more like a bandana.
References
↑ 2007, Eric Partridge, Tom Dalzell, Terry Victor, The Concise New Partridge Dictionary of Slang and Unconventional English, page 28.