Nami Merch is a store selling One Piece Clothing, One Piece Collectable Items, and Other Related Merchandise. We sell the following: Nami Merch is a clothing company that designs and sells One Piece themed clothing, jewelry, bags and more. They use their knowledge of the One Piece anime and manga to create unique merchandise for One Piece lovers. Nami Merch has been creating products since 2013 and they are still going strong. This makes their company one of the most successful in the anime industry.