HO Mavericks 3 Tube O'Neill USCG The 3D molded tongue provides Wakesurf Size:49" The 3D molded tongue provides maximum comfort and solid board control The Link™ Valve is watertight and can also be used as a convenient way to purge air from your bag now you can tube all day without worrying about the abrasion or “tube rash” that you would get from a traditional nylon covered tube a tapered design that is thicker in front which makes the tube easier to board from the water and a 3 panel construction that puts the tow attachment at a lower position on the tube resulting in the tube being pulled in an upward direction even from a low tow point