As the aluminum hull inflatables become more and more popular, Highfield further sets themselves well ahead of the pack as the best aluminum hull RIB available to the recreational boater today. The OM 350 is 11'6" long and holds up to 6 people. The amazing fact is that the boat only weighs about 500 Lbs fully rigged. The Aluminum hull is powder coated and tubes made in Hypalon. Highfield offers double the warranty of competitors.