In One Piece Golden Age, when you open the shop (opened using the V key) a GUI will come up with all the items you can buy, you can also buy accessories for your character, but some accessories require a certain level to use.
Current Accessories in The Shop (With Descriptions) (Pictures Coming Soon)
Scarf - Level 10 - B$40000 - A nice soft scarf.
Top Hat - Level 30 - B$15000 - A nice tall hat, for fancy people.
Straw Hat - Level 30 - B$20000 - A straw hat, much like the one worn by Monkey D. Luffy.
Stetson - Level 30 - B$40000 - A nice hat, similar to the one worn by Portgas D. Ace.
Beanie - Level 30 - B$40000 - A cool looking beanie hat.
Bandana - Level 30 - B$40000 - A cool looking bandana.
Cape - Level 30 - B$40000 - A cool looking cape.
Backpack - Level 30 - B$150000 - A nice looking backpack.
Shades - Level 30 - B$300000 - A nice pair of shades.
Eyepatch - Level 60 - B$20000 - A cool looking eyepatch for brave warriors of the sea.
Cloak - Level 60 - B$300000 - An oversized cloak used as a cape. Seems legit.