Mares Avanti Quattro Power FinsThe Avanti Quattro Power spearfishing fins are designed for freedivers who love a shorter but more powerful fin. The deformation obtained by the blade optimally channels an important flow of water and increases thrust. The rubber reinforced side ribs improve the springback of the blade and protect it from cuts and abrasion. The anatomic foot pocket with reinforced heel, very soft and comfortable, does not tire in case of prolonged use. Ideal for