Polo, e.g. (5)
(Other definitions for shirt that I've seen before include "One may lose it at the bookie's" , "tailored garment" , "Garment for upper male body, usually cotton" , "Male garment worn with tie" , "Man's garment" .)
(Other definitions for top that I've seen before include "Toy; garment" , "Crown" , "Kill" , "Finest" , "Acme or apex" .)