The Latest Evolution In Channel Thrust Technologybull; Rugged and durable constructionbull; Anatomical open heel foot pocketbull; ABS Plus bucklesThe Avanti Superchannel is designed for the diver who wants the perfect blend of power and efficiency in one fin. The new blade design with a large central Superchannel and two traditional lateral channels provide excellent thrust while maintaining hieffi ciency and minimizing leg fatigue.