Description Gomu gomu is a reversible sherpa jacket with patterns and motifs from eichiro oda's one piece. Featuring a 'gum gum' polyester sherpa fleece exterior, and 'gear 5th' inspired nylon interior both equipped with double pockets.AJust like the fruit, there's more than what meets the eye. Nylon chest pocket 100% Polyester (exterior) 100% nylon (interior) Reversible YKK Zipper Need help picking a size? Check out our size guide HERESize GuideCM: INCH: