Swindle of reversible rainwear? (4)
I believe the answer is:
scam
'swindle' is the definition.
(I know that swindle can be written as scam)
I can't explain the rest of the clue.
Can you help me to learn more?
(Other definitions for scam that I've seen before include "Screw" , "fiddle" , "A modern kind of swindle" , "An informal swindle" , "Swindle, fraud (colloq.)" .)