FINIS Long Floating Fins Color-coded by size, check the size chart before purchasing. Long blade is designed to increase leg strength and speed. Buoyancy from the fins lifts legs to the surface, making it easier for swimmers to find correct body position. Great for all ages and abilities. Ffloats in fresh and salt water. Made of a soft, natural rubber for increased comfort. 11-13 Black/Navy (Euro 44-46). Model No. 1.05.37. Made in Malaysia.