I tried Googling, but all I could come up with was sites that had them for sale.
I know what a P Coat is, but what does the P stand for or mean?
The word you are looking for is “peacoat.”
Thanks. I guess using the correct word helps.
Just remember…U.S. Navy uniform regs say to keep the collar down.
True sailors know when to disobey uniform regulations.
Hands in pockets too which also puts him out of uniform. Just like a real sailor 
He probably rolls up his liberty cuffs in warm weather. At least is cover is squared away.