Speedo Unisex-Adult Biofuse Swimming Training Fins | Comfortable Fit | Ergonomic Design | Swim Training, Arctic Glass, 11-12

Speedo Biofuse technology for maximum comfort and fit
100% Silicone for excellent comfort
Strengthen leg muscles - added resistance increases the workload on your leg muscles which improves strength and endurance
Increase workout speed - Training Fins add extra propulsion to the stroke, which increases speed with minimum effort leaving you free to ingrain correct technique.
Develop ankle mobility - The increased surface created by the Training Fins forces ankle extension during kicking, which makes the kick more propulsive and efficient.