Easy to forget it's their look.  Easy to focus upon the UK.  Good to remember documentaries like 'Jazz On A Summer's Day' for more reasons than the divine Miss O'Day. 
This occurred to me whilst sitting in the car in the pouring rain around the end of October: thinking about that shot of Milt Jackson and the others of the MJQ with Jimmy Giuffre: Madras, shorts, socks, loafers.  Then, the other evening, watching the movie, watching the crowd; being inspired to think about Madras - yet again. 
(Any comments BTW on the suits guys like Sonny Stitt and Chico Hamilton and the Giuffre people were wearing?). 
So - the cap.  Has anyone sported this look? 
It was odd, but just looking at the photographs of it, the vivid photographs, it took me right back - to a time and place I never knew.  Does wearing a sack suit do the same? 
But it's their look.  We might have taken on the 'Guaranteed To Bleed' and everything that came after it, but caps and jackets (and those oddities that were made by Halrin) seem to me - like Wash N' Wear - still completely exotic.