Mundial Competition The Mundial free diving long fin is derived by utilizing BEUCHAT extensive experience in the manufacturing of three distinct material fins. Conceived from a combination of material to realize; flexibility, power, and resistance for optimum performance. The foot cavity is reinforced to transmit power to the blade without any diver discomfort. Supports for the blade is integrated onto the foot cavity to optimize movement of the blade with side stiffeners and channeled surface on longer fin strokes , based on user requirements and power imput. Sizes : 41/42 - 43/44 - 45/46 - 47/48 New model