Be the Pirate King or Queen of Dress with our Donquixote Doflamingo Merch inspired One Piece Clothing! One Piece is a manga series that is based on the adventures of Monkey D. Luffy, often called "The Straw Hat" among other nicknames, and his crew. It's been a long time since this series has been in the spotlight, but One Piece Clothing has recently released some new merchandise inspired by the world of One Piece!