The Beuchat Mundial One-50 Spearfishing Fins are a semi-long fin offering great versatility to the hunting diver. Fin has a fixed blade design with stabilizers integrated to foot pocket tips and on the blades for added fin stability and power. The fishtail shape ensures more effective direction control in the water. Reactive foot pocket design with reinforced instep for greater fin stroke comfort, making for a very comfortable design. Fin blade length is 19.7" (50cm) in length. The fins foot pocket is made from a thermoplastic elastomer, and the blade from polypropylene. The fins weigh 34.85 oz. (988 g) in size 9.5/10.5 (43/44).