The Avenger range has models to suit all; the Adrenalin Hull is featured on Avenger models 4.28 and up. Models 4.48 and up have 3mm bottoms and 3 mm sides with the 4.28 having 2.5mm sides. The adrenalin hull with a deeper V and wide beam also incorporates a reverse chine (no reverse chine applicable on the 4.28). These features give you an excellent ride; enhance stability, great control and optimal fuel efficiency.