Swim fin with shoe and flexible fin

摘要

The swim fin has a shoe (1) which is worn on the foot of the user and the fin is fixed to it. The fin has one part (3) which is fixed to the shoe by one end. Its other end is joined to a rectangular flexible part (4) which propels the fin. The inner edges (5,6) of the rectangular part are rounded. The length of the rectangular part is between 200-400 mm and its width is between 150-300 mm. The length of the other part is between 5-80 mm and its width is between 5-50 mm.