RIB Highfield Sport 390 Karel Overlaet, RIB Advocate A nice introduction to the all new Highfield Sport 390 Rigid Inflatable Boat. A great runabout or small tender. Others Also Read...HIGHFIELD Boats Debuts Largest RIB to Date – the All New SPORT 900Ky Hurst's Highfield Sport 700 Exciting ExperiencesWhat's New on the Highfield Sport 560 WalkthroughHighfield Sport 660 Exciting New Model