Quiksilver Mens Syncro Backpack Black One Size Our Syncro Surf Backpack comes with as many cool features as Bruce Wayne has inventions. Which is a lot. With tons of room for all your stuff, and a removable roll top wet/dry bag, never wonder where to put your surf shirt again. Imported. Volume: 35L Size: 19.5 x 14 x 8.5 inches