Fitted __ (3)
'fitted' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tailored that I've seen before include "Adjusted" , "Fitted, well-cut" , "Simple in line or design, suit perhaps" , "Adapted" , "Made garments, suits perhaps" .)
(Other definitions for cap that I've seen before include "Headdress" , "Dental work" , "cover" , "Beat; upper limit" , "Covering for head or bottle" .)