| Mares Avanti Tre Fin |  | | The Avanti Tre uses a 3 channel design with the center channel inverted to better exploit the glide stroke of the fin. The Tre produces 15% more thrust than conventional fins. | |  | | Mares Volo Race Fins |  | | A combination of the exclusive and patented OPB and Channel Thrust systems, for a full-foot fin that has no rival. High performance with minimal exertion, maximum comfort and exceptional light weight. | |  | | Mares Avanti Quattro Power Fins |  | | The Avanti Quattro Power Fins by Mares are a popular choice among instructors, divemasters, freedivers, warm water scuba divers and advanced snorkelers. | |